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Engine Performance DTCS

ENGINE PERFORMANCE DTCS (4.9L)

DTC Description
No Code No Codes/Codes Not Listed
111 System Pass
112 Intake Air Temperature Sensor Circuit Low Input
113 Intake Air Temperature Sensor Circuit High Input
114 Intake Air Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
116 Engine Coolant Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
117 Engine Coolant Temperature Sensor Circuit Low Input
118 Engine Coolant Temperature Sensor Circuit High Input
121 Throttle Position Sensor Fault
122 Throttle Position Sensor Circuit Low Input
123 Throttle Position Sensor Circuit High Input
124 Throttle Position Sensor Voltage Higher Than Expected
125 Throttle Position Sensor Voltage Lower Than Expected
126
E/F Series With MAP Sensor Manifold Absolute Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
All Others Barometric Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
128 Manifold Absolute Pressure Sensor Vacuum Hose Damaged/Disconnected
129
With MAF Sensor Mass Air Flow Change During Dynamic Response Test KOER
With MAP Sensor Insufficient Manifold Absolute Pressure During Dynamic Response Test KOER
136 System Indicates Lean (Bank 2)
137 System Indicates Rich (Bank 2)
139 No Heated Oxygen Sensor (HO2S-2) Switches Detected (Bank 2)
141 Fuel System Indicates Lean
144 No Heated Oxygen Sensor (HO2S-1) Switches Detected (Bank 1)
157 Mass Air Flow Sensor Circuit Low Input
158 Mass Air Flow Sensor Circuit High Input
159 Mass Air Flow Sensor Circuit Voltage Higher Or Lower Than Expected
167 Insufficient Throttle Position Change During Dynamic Response Test KOER
171 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-1) Unable To Switch (Bank 1)
172 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Lean (Bank 1)
173 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Rich (Bank 1)
174 Mass Air Flow/Manifold Absolute Pressure Sensor
175 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-2) Unable To Switch (Bank 2)
176 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Lean (Bank 2)
177 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Rich (Bank 2)
178 Mass Air Flow/Manifold Absolute Pressure Sensor
179 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 1)
181 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 1)
184 Mass Air Flow Sensor Voltage Higher Than Expected
185 Mass Air Flow Sensor Voltage Lower Than Expected
186 Injector Pulsewidth Higher Than Expected
187 Injector Pulsewidth Lower Than Expected
188 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 2)
189 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 2)
194 Cylinder Balance - Multiple Injectors
195 Cylinder Balance - Multiple Injectors
211 Profile Ignition Pickup Circuit Failure
212 Loss Of Ignition Diagnostic Monitor Input To PCM/SPOUT Circuit Grounded
213 SPOUT Circuit Open
215 Coil 1 Primary Circuit Failure
216 Coil 2 Primary Circuit Failure
217 Coil 3 Primary Circuit Failure
218 Loss Of Ignition Diagnostic Monitor Signal (Left Side)
222 Loss Of Ignition Diagnostic Monitor Signal (Right Side)
224 Coil 1/2/3/4 Primary Circuit Failure
225 Knock Not Sensed During Dynamic Response Test
232 Coil 1/2/3/4 Primary Circuit Failure
238 Coil 4 Primary Circuit Failure
311 Secondary Air Injection System Inoperative During KOER (Bank 1)
312 Secondary Air Injection Misdirected During KOER
313 Secondary Air Injection Not Bypassed During KOER
314 Secondary Air Injection System Inoperative During KOER (Bank 2)
326 Exhaust Gas Recirculation Circuit Voltage Lower Than Expected
327
With SFI - DPFE Sensor Exhaust Gas Recirculation Circuit Below Minimum Voltage
With MFI - EVP Sensor Exhaust Gas Recirculation Circuit Below Minimum Voltage
328 Exhaust Gas Recirculation Closed Valve Voltage Lower Than Expected
332
With SFI - DPFE Sensor Insufficient Exhaust Gas Recirculation Flow
With MFI - EVP Sensor Insufficient Exhaust Gas Recirculation Flow
334 Exhaust Gas Recirculation Closed Valve Voltage Higher Than Expected
335 Exhaust Gas Recirculation Sensor Voltage Higher/Lower Than Expected
336 Exhaust Pressure High/Exhaust Gas Recirculation (DPFE) Circuit Voltage Higher Than Expected
337
With SFI - DPFE Sensor Exhaust Gas Recirculation Circuit Above Maximum Voltage
With MFI - EVP Sensor Exhaust Gas Recirculation Circuit Above Maximum Voltage
338 Engine Coolant Temperature Lower Than Expected
339 Engine Coolant Temperature Higher Than Expected
341 Octane Adjust Service Pin Open
411 Cannot Control RPM During KEOR Low RPM Check
412 Cannot Control RPM During KEOR High RPM Check
452 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
511 Powertrain Control Module Read Only Memory Test Failure (KOEO)
512 Powertrain Control Module Keep Alive Memory Test Failure
513 Powertrain Control Module Internal Voltage Failure (KOEO)
519 Power Steering Pressure Switch Circuit Open
521 Power Steering Pressure Switch Circuit Did Not Change States
522 Vehicle Not In PARK Or NEUTRAL During KOEO
525 Vehicle In Gear / A/C On
528 Clutch Pedal Position Switch Circuit Failure
529 Data Communication Link Or Powertrain Control Module Circuit Failure
533 Data Communication Link Or Electronic Instrument Cluster Circuit Failure
536 Brake On/Off Circuit Failure
538 Insufficient RPM Change
539 A/C On / Defrost On During Self-Test
542 Fuel Pump Circuit Open - Powertrain Control Module To Motor Ground
543 Fuel Pump Circuit Open - Battery To Powertrain Control Module
551 Idle Air Control Circuit Failure
552 Secondary Air Injection Bypass Circuit Failure
553 Secondary Air Injection Diverter Circuit Failure
556 Fuel Pump Relay Primary Circuit Failure
558
With SFI - DPFE Sensor Exhaust Gas Recirculation Vacuum Regulator Circuit Failure
With MFI - EVP Sensor Exhaust Gas Recirculation Vacuum Regulator Circuit Failure
559 Air Conditioning On Relay Circuit Failure
565 Canister Purge Circuit Failure
566 3-4 Shift Solenoid Circuit Failure
569 Auxiliary Canister Purge Circuit Failure
617 1-2 Shift Error
618 2-3 Shift Error
619 3-4 Shift Error
621 Shift Solenoid 1 Circuit Failure
622 Shift Solenoid 2 Circuit Failure
623 4X4 Low & Transmission Control Switch
624 Electronic Pressure Control Circuit Failure
625 Electronic Pressure Control Driver Open In Powertrain Control Module
626 Coast Clutch Solenoid Circuit Failure
627 Torque Converter Clutch Solenoid Circuit Failure
628 Excessive Converter Clutch Slippage
629 Torque Converter Clutch Solenoid Circuit Failure
631 Transmission Control Indicator Lamp Circuit Failure
632 Transmission Control Switch Circuit Did Not Change States During KOER
633 4X4 Low Switch Closed During KOEO
634 Transmission Range Voltage Higher/Lower Than Expected
636 Transmission Fluid Temperature Higher/Lower Than Expected
637 Transmission Fluid Temperature Sensor Circuit Above Maximum Voltage
638 Transmission Fluid Temperature Sensor Circuit Below Minimum Voltage
639 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
641 Shift Solenoid 3 Circuit Failure
643 Coast Clutch Solenoid Circuit Failure
645 Incorrect Gear Ratio - 1st Gear
646 Incorrect Gear Ratio - 2nd Gear
647 Incorrect Gear Ratio - 3rd Gear
648 Incorrect Gear Ratio - 4th Gear
649 Electronic Pressure Control Higher Or Lower Than Expected
651 Electronic Pressure Control Circuit Failure
652 Torque Converter Clutch Solenoid Circuit Failure
653 Transmission Control Switch Did Not Change States
654 Transmission Range Sensor Indicating Not In PARK During Self-Test
656 Torque Converter Clutch Slippage
657 Transmission Fluid Temperature OverTemperature
659 High Vehicle Speed In Park
667 Transmission Range Circuit Voltage Below Minimum Voltage
668 Transmission Range Circuit Voltage Above Maximum Voltage
675 Transmission Range Sensor Circuit Voltage Out Of Range
676 Transmission Fault
677 Transmission Fault
691 4X4 Low Switch Open Or Short Circuit
692 Transmission State Does Not Match Calculated Ratio
998 Hard Fault Present - FMEM Mode
(1) Refer to appropriate SYSTEM/ COMPONENT TESTS - EEC-IV (4.9L) article.

(2) Check transmission for mechanical problem.
ENGINE PERFORMANCE DTCS (5.0L)

DTC Description
No Code No Codes/Codes Not Listed
111 System Pass
112 Intake Air Temperature Sensor Circuit Low Input
113 Intake Air Temperature Sensor Circuit High Input
114 Intake Air Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
116 Engine Coolant Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
117 Engine Coolant Temperature Sensor Circuit Low Input
118 Engine Coolant Temperature Sensor Circuit High Input
121 Throttle Position Sensor Fault
122 Throttle Position Sensor Circuit Low Input
123 Throttle Position Sensor Circuit High Input
124 Throttle Position Sensor Voltage Higher Than Expected
125 Throttle Position Sensor Voltage Lower Than Expected
126
E/F Series With MAP Sensor Manifold Absolute Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
All Others Barometric Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
128 Manifold Absolute Pressure Sensor Vacuum Hose Damaged/Disconnected
129
With MAF Sensor Mass Air Flow Change During Dynamic Response Test KOER
With MAP Sensor Insufficient Manifold Absolute Pressure During Dynamic Response Test KOER
136 System Indicates Lean (Bank 2)
137 System Indicates Rich (Bank 2)
139 No Heated Oxygen Sensor (HO2S-2) Switches Detected (Bank 2)
141 Fuel System Indicates Lean
144 No Heated Oxygen Sensor (HO2S-1) Switches Detected (Bank 1)
157 Mass Air Flow Sensor Circuit Low Input
158 Mass Air Flow Sensor Circuit High Input
159 Mass Air Flow Sensor Circuit Voltage Higher Or Lower Than Expected
167 Insufficient Throttle Position Change During Dynamic Response Test KOER
171 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-1) Unable To Switch (Bank 1)
172 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Lean (Bank 1)
173 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Rich (Bank 1)
174 Mass Air Flow/Manifold Absolute Pressure Sensor
175 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-2) Unable To Switch (Bank 2)
176 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Lean (Bank 2)
177 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Rich (Bank 2)
178 Mass Air Flow/Manifold Absolute Pressure Sensor
179 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 1)
181 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 1)
184 Mass Air Flow Sensor Voltage Higher Than Expected
185 Mass Air Flow Sensor Voltage Lower Than Expected
186 Injector Pulsewidth Higher Than Expected
187 Injector Pulsewidth Lower Than Expected
188 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 2)
189 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 2)
194 Cylinder Balance - Multiple Injectors
195 Cylinder Balance - Multiple Injectors
211 Profile Ignition Pickup Circuit Failure
212 Loss Of Ignition Diagnostic Monitor Input To PCM/SPOUT Circuit Grounded
213 SPOUT Circuit Open
214 Cylinder Identification Circuit Failure
215 Coil 1 Primary Circuit Failure
216 Coil 2 Primary Circuit Failure
217 Coil 3 Primary Circuit Failure
218 Loss Of Ignition Diagnostic Monitor Signal (Left Side)
222 Loss Of Ignition Diagnostic Monitor Signal (Right Side)
224 Coil 1/2/3/4 Primary Circuit Failure
225 Knock Not Sensed During Dynamic Response Test
226 Ignition Diagnostic Monitor Signal Not Received
232 Coil 1/2/3/4 Primary Circuit Failure
238 Coil 4 Primary Circuit Failure
244 Coil 4 Primary Circuit Failure
311 Secondary Air Injection System Inoperative During KOER (Bank 1)
312 Secondary Air Injection Misdirected During KOER
313 Secondary Air Injection Not Bypassed During KOER
314 Secondary Air Injection System Inoperative During KOER (Bank 2)
326 Exhaust Gas Recirculation Circuit Voltage Lower Than Expected
327 Exhaust Gas Recirculation (EVP) Circuit Below Minimum Voltage
328 Exhaust Gas Recirculation Closed Valve Voltage Lower Than Expected
332 Insufficient Exhaust Gas Recirculation (EVP) Flow
334 Exhaust Gas Recirculation Closed Valve Voltage Higher Than Expected
335 Exhaust Gas Recirculation Sensor Voltage Higher/Lower Than Expected
337 Exhaust Gas Recirculation Circuit Above Maximum Voltage
338 Engine Coolant Temperature Lower Than Expected
339 Engine Coolant Temperature Higher Than Expected
341 Octane Adjust Service Pin Open
411 Cannot Control RPM During KEOR Low RPM Check
412 Cannot Control RPM During KEOR High RPM Check
452 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
511 Powertrain Control Module Read Only Memory Test Failure (KOEO)
512 Powertrain Control Module Keep Alive Memory Test Failure
513 Powertrain Control Module Internal Voltage Failure (KOEO)
519 Power Steering Pressure Switch Circuit Open
521 Power Steering Pressure Switch Circuit Did Not Change States
522 Vehicle Not In PARK Or NEUTRAL During KOEO
525 Vehicle In Gear / A/C On
528 Clutch Pedal Position Switch Circuit Failure
542 Fuel Pump Circuit Open - Powertrain Control Module To Motor Ground
543 Fuel Pump Circuit Open - Battery To Powertrain Control Module
551 Idle Air Control Circuit Failure
552 Secondary Air Injection Bypass Circuit Failure
553 Secondary Air Injection Diverter Circuit Failure
556 Fuel Pump Relay Primary Circuit Failure
558 Exhaust Gas Recirculation Vacuum Regulator Circuit Failure
559 Air Conditioning On Relay Circuit Failure
565 Canister Purge Circuit Failure
566 3-4 Shift Solenoid Circuit Failure
569 Auxiliary Canister Purge Circuit Failure
617 1-2 Shift Error
618 2-3 Shift Error
619 3-4 Shift Error
621 Shift Solenoid 1 Circuit Failure
622 Shift Solenoid 2 Circuit Failure
623 4X4 Low & Transmission Control Switch
624 Electronic Pressure Control Circuit Failure
625 Electronic Pressure Control Driver Open In Powertrain Control Module
626 Coast Clutch Solenoid Circuit Failure
627 Torque Converter Clutch Solenoid Circuit Failure
628 Excessive Converter Clutch Slippage
629 Torque Converter Clutch Solenoid Circuit Failure
631 Transmission Control Indicator Lamp Circuit Failure
632 Transmission Control Switch Circuit Did Not Change States During KOER
633 4X4 Low Switch Closed During KOEO
634 Transmission Range Voltage Higher/Lower Than Expected
636 Transmission Fluid Temperature Higher/Lower Than Expected
637 Transmission Fluid Temperature Sensor Circuit Above Maximum Voltage
638 Transmission Fluid Temperature Sensor Circuit Below Minimum Voltage
639 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
641 Shift Solenoid 3 Circuit Failure
643 Coast Clutch Solenoid Circuit Failure
645 Incorrect Gear Ratio - 1st Gear
646 Incorrect Gear Ratio - 2nd Gear
647 Incorrect Gear Ratio - 3rd Gear
648 Incorrect Gear Ratio - 4th Gear
649 Electronic Pressure Control Higher Or Lower Than Expected
651 Electronic Pressure Control Circuit Failure
652 Torque Converter Clutch Solenoid Circuit Failure
653 Transmission Control Switch Did Not Change States
654 Transmission Range Sensor Indicating Not In PARK During Self-Test
656 Torque Converter Clutch Slippage
657 Transmission Fluid Temperature OverTemperature
659 High Vehicle Speed In Park
667 Transmission Range Circuit Voltage Below Minimum Voltage
668 Transmission Range Circuit Voltage Above Maximum Voltage
675 Transmission Range Sensor Circuit Voltage Out Of Range
676 Transmission Fault
677 Transmission Fault
691 4X4 Low Switch Open Or Short Circuit
692 Transmission State Does Not Match Calculated Ratio
998 Hard Fault Present - FMEM Mode
(1) Refer to appropriate SYSTEM/ COMPONENT TESTS - EEC-IV (5.0L) article.

(2) Check transmission for mechanical problem.
ENGINE PERFORMANCE DTCS (5.8L)

OEM Code Description
No Code No Codes/Codes Not Listed
111 System Pass
112 Intake Air Temperature Sensor Circuit Low Input
113 Intake Air Temperature Sensor Circuit High Input
114 Intake Air Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
116 Engine Coolant Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
117 Engine Coolant Temperature Sensor Circuit Low Input
118 Engine Coolant Temperature Sensor Circuit High Input
121 Throttle Position Sensor Fault
122 Throttle Position Sensor Circuit Low Input
123 Throttle Position Sensor Circuit High Input
124 Throttle Position Sensor Voltage Higher Than Expected
125 Throttle Position Sensor Voltage Lower Than Expected
126
E/F Series With MAP Sensor Manifold Absolute Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
All Others Barometric Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
128 Manifold Absolute Pressure Sensor Vacuum Hose Damaged/Disconnected
129
With MAF Sensor Mass Air Flow Change During Dynamic Response Test KOER
With MAP Sensor Insufficient Manifold Absolute Pressure During Dynamic Response Test KOER
136 System Indicates Lean (Bank 2)
137 System Indicates Rich (Bank 2)
139 No Heated Oxygen Sensor (HO2S-2) Switches Detected (Bank 2)
141 Fuel System Indicates Lean
144 No Heated Oxygen Sensor (HO2S-1) Switches Detected (Bank 1)
157 Mass Air Flow Sensor Circuit Low Input
158 Mass Air Flow Sensor Circuit High Input
159 Mass Air Flow Sensor Circuit Voltage Higher Or Lower Than Expected
167 Insufficient Throttle Position Change During Dynamic Response Test KOER
171 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-1) Unable To Switch (Bank 1)
172 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Lean (Bank 1)
173 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Rich (Bank 1)
174 Mass Air Flow/Manifold Absolute Pressure Sensor
175 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-2) Unable To Switch (Bank 2)
176 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Lean (Bank 2)
177 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Rich (Bank 2)
178 Mass Air Flow/Manifold Absolute Pressure Sensor
179 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 1)
181 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 1)
184 Mass Air Flow Sensor Voltage Higher Than Expected
185 Mass Air Flow Sensor Voltage Lower Than Expected
186 Injector Pulsewidth Higher Than Expected
187 Injector Pulsewidth Lower Than Expected
188 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 2)
189 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 2)
194 Cylinder Balance - Multiple Injectors
195 Cylinder Balance - Multiple Injectors
211 Profile Ignition Pickup Circuit Failure
212 Loss Of Ignition Diagnostic Monitor Input To PCM/SPOUT Circuit Grounded
213 SPOUT Circuit Open
214 Cylinder Identification Circuit Failure
215 Coil 1 Primary Circuit Failure
216 Coil 2 Primary Circuit Failure
217 Coil 3 Primary Circuit Failure
218 Loss Of Ignition Diagnostic Monitor Signal (Left Side)
222 Loss Of Ignition Diagnostic Monitor Signal (Right Side)
224 Coil 1/2/3/4 Primary Circuit Failure
225 Knock Not Sensed During Dynamic Response Test
226 Ignition Diagnostic Monitor Signal Not Received
232 Coil 1/2/3/4 Primary Circuit Failure
238 Coil 4 Primary Circuit Failure
244 Coil 4 Primary Circuit Failure
311 Secondary Air Injection System Inoperative During KOER (Bank 1)
312 Secondary Air Injection Misdirected During KOER
313 Secondary Air Injection Not Bypassed During KOER
314 Secondary Air Injection System Inoperative During KOER (Bank 2)
326 Exhaust Gas Recirculation Circuit Voltage Lower Than Expected
327
With SFI - DPFE Sensor Exhaust Gas Recirculation Circuit Below Minimum Voltage
With MFI - EVP Sensor Exhaust Gas Recirculation Circuit Below Minimum Voltage
328 Exhaust Gas Recirculation Closed Valve Voltage Lower Than Expected
332
With SFI - DPFE Sensor Insufficient Exhaust Gas Recirculation Flow
With MFI - EVP Sensor Insufficient Exhaust Gas Recirculation Flow
334 Exhaust Gas Recirculation Closed Valve Voltage Higher Than Expected
335 Exhaust Gas Recirculation Sensor Voltage Higher/Lower Than Expected
336 Exhaust Pressure High/Exhaust Gas Recirculation (DPFE) Circuit Voltage Higher Than Expected
337
With SFI - DPFE Sensor Exhaust Gas Recirculation Circuit Above Maximum Voltage
With MFI - EVP Sensor Exhaust Gas Recirculation Circuit Above Maximum Voltage
338 Engine Coolant Temperature Lower Than Expected
339 Engine Coolant Temperature Higher Than Expected
341 Octane Adjust Service Pin Open
411 Cannot Control RPM During KEOR Low RPM Check
412 Cannot Control RPM During KEOR High RPM Check
452 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
511 Powertrain Control Module Read Only Memory Test Failure (KOEO)
512 Powertrain Control Module Keep Alive Memory Test Failure
513 Powertrain Control Module Internal Voltage Failure (KOEO)
519 Power Steering Pressure Switch Circuit Open
521 Power Steering Pressure Switch Circuit Did Not Change States
522 Vehicle Not In PARK Or NEUTRAL During KOEO
525 Vehicle In Gear / A/C On
528 Clutch Pedal Position Switch Circuit Failure
529 Data Communication Link Or Powertrain Control Module Circuit Failure
533 Data Communication Link Or Electronic Instrument Cluster Circuit Failure
536 Brake On/Off Circuit Failure
538 Insufficient RPM Change
539 A/C On / Defrost On During Self-Test
542 Fuel Pump Circuit Open - Powertrain Control Module To Motor Ground
543 Fuel Pump Circuit Open - Battery To Powertrain Control Module
551 Idle Air Control Circuit Failure
552 Secondary Air Injection Bypass Circuit Failure
553 Secondary Air Injection Diverter Circuit Failure
556 Fuel Pump Relay Primary Circuit Failure
558
With SFI - DPFE Sensor Exhaust Gas Recirculation Vacuum Regulator Circuit Failure
With MFI - EVP Sensor Exhaust Gas Recirculation Vacuum Regulator Circuit Failure
559 Air Conditioning On Relay Circuit Failure
565
With SFI Canister Purge Circuit Failure
All Others Canister Purge Circuit Failure
566 3-4 Shift Solenoid Circuit Failure
569 Auxiliary Canister Purge Circuit Failure
617 1-2 Shift Error
618 2-3 Shift Error
619 3-4 Shift Error
621 Shift Solenoid 1 Circuit Failure
622 Shift Solenoid 2 Circuit Failure
623 4X4 Low & Transmission Control Switch
624 Electronic Pressure Control Circuit Failure
625 Electronic Pressure Control Driver Open In Powertrain Control Module
626 Coast Clutch Solenoid Circuit Failure
627 Torque Converter Clutch Solenoid Circuit Failure
628 Excessive Converter Clutch Slippage
629 Torque Converter Clutch Solenoid Circuit Failure
631 Transmission Control Indicator Lamp Circuit Failure
632 Transmission Control Switch Circuit Did Not Change States During KOER
633 4X4 Low Switch Closed During KOEO
634 Transmission Range Voltage Higher/Lower Than Expected
636 Transmission Fluid Temperature Higher/Lower Than Expected
637 Transmission Fluid Temperature Sensor Circuit Above Maximum Voltage
638 Transmission Fluid Temperature Sensor Circuit Below Minimum Voltage
639 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
641 Shift Solenoid 3 Circuit Failure
643 Coast Clutch Solenoid Circuit Failure
645 Incorrect Gear Ratio - 1st Gear
646 Incorrect Gear Ratio - 2nd Gear
647 Incorrect Gear Ratio - 3rd Gear
648 Incorrect Gear Ratio - 4th Gear
649 Electronic Pressure Control Higher Or Lower Than Expected
651 Electronic Pressure Control Circuit Failure
652 Torque Converter Clutch Solenoid Circuit Failure
653 Transmission Control Switch Did Not Change States
654 Transmission Range Sensor Indicating Not In PARK During Self-Test
655 Transmission Range Sensor Indicating Not In NEUTRAL During Self-Test
656 Torque Converter Clutch Slippage
657 Transmission Fluid Temperature OverTemperature
659 High Vehicle Speed In Park
667 Transmission Range Circuit Voltage Below Minimum Voltage
668 Transmission Range Circuit Voltage Above Maximum Voltage
675 Transmission Range Sensor Circuit Voltage Out Of Range
676 Transmission Fault
677 Transmission Fault
691 4X4 Low Switch Open Or Short Circuit
692 Transmission State Does Not Match Calculated Ratio
998 Hard Fault Present - FMEM Mode
(1) Refer to appropriate SYSTEM/ COMPONENT TESTS article.

(2) Check transmission for mechanical problem.
ENGINE PERFORMANCE DTCS (7.3L DIESEL)

DTC Description
1111 System Pass
0107 BARO Circuit Low Input
0108 BARO Circuit High Input
0112 IAT Sensor Circuit Low Input
0113 IAT Sensor Circuit High Input
0122 (1) Accelerator Pedal Sensor Circuit Low Input
0123 (1) Accelerator Pedal Sensor Circuit High Input
0195 EOT Sensor Circuit Performance
0196 EOT Sensor Circuit Performance
0197 (1) EOT Sensor Circuit Low Input
0198 (1) EOT Sensor Circuit High Input
0220 (1) Throttle Switch B Circuit Malfunction
0221 (1) Throttle Switch B Circuit Malfunction
0236 (1) Turbo Boost Sensor A Circuit Performance
0237 (1) Turbo Boost Sensor A Circuit Low Input
  Turbo Boost Sensor A Circuit Low Input
0238 (1) Turbo Boost Sensor A Circuit High Input
0261 (1) Injector Circuit Low - Cylinder 1
0262 Injector Circuit High - Cylinder 1
0263 Cylinder 1 Contribution/Balance Fault
0264 (1) Injector Circuit Low - Cylinder 2
0265 Injector Circuit High - Cylinder 2
0266 Cylinder 2 Contribution/Balance Fault
0267 (1) Injector Circuit Low - Cylinder 3
0268 Injector Circuit High - Cylinder 3
0269 Cylinder 3 Contribution/Balance Fault
0270 (1) Injector Circuit Low - Cylinder 4
0271 Injector Circuit High - Cylinder 4
0272 Cylinder 4 Contribution/Balance Fault
0273 (1) Injector Circuit Low - Cylinder 5
0274 Injector Circuit High - Cylinder 5
0275 Cylinder 5 Contribution/Balance Fault
0276 (1) Injector Circuit Low - Cylinder 6
0277 Injector Circuit High - Cylinder 6
0278 Cylinder 6 Contribution/Balance Fault
0279 (1) Injector Circuit Low - Cylinder 7
0280 Injector Circuit High - Cylinder 7
0281 Cylinder 7 Contribution/Balance Fault
0282 (1) Injector Circuit Low - Cylinder 8
0283 Injector Circuit High - Cylinder 8
0284 Cylinder 8 Contribution/Balance Fault
0340 CMP Sensor Circuit Malfunction
0341 (1) CMP Sensor Circuit Performance
0344 CMP Sensor Circuit Intermittent
0380 Glow Plug Circuit Malfunction
0381 Glow Plug Indicator Circuit Malfunction
0470 Exhaust Back Pressure Sensor Circuit Malfunction
0471 Exhaust Back Pressure Sensor Circuit Performance
0472 Exhaust Back Pressure Sensor Circuit Low Input
0473 Exhaust Back Pressure Sensor Circuit High Input
0475 Exhaust Pressure Control Valve Malfunction
0476 Exhaust Pressure Control Valve Performance
0478 Exhaust Pressure Control Valve High Input
0500 Vehicle Speed Sensor Malfunction - KOER Tests
0560 System Voltage Malfunction
0562 System Voltage Low
0563 System Voltage High
0565 (2) Cruise "On" Signal Malfunction
0566 (2) Cruise "Off" Signal Malfunction
0567 (2) Cruise "Resume" Signal Malfunction
0568 (2) Cruise "Set" Signal Malfunction
0569 (2) Cruise "Coast" Signal Malfunction
0571 Brake Switch A Circuit Malfunction
0603 Internal Control Module KAM Error
0605 Internal Control Module ROM Error
0606 PCM Processor Fault
0703 Brake Switch B Circuit Malfunction
0704 Clutch Pedal Position Switch Input Circuit Malfunction
0705 (3) TR Sensor Circuit Malfunction
0707 (3) TR Sensor Circuit Low Input
0708 (3) TR Sensor Circuit High Input
0712 Transmission Fluid Temp. Sensor CKT Low Input
0713 Transmission Fluid Temp. Sensor CKT High Input
0741 TCC Circuit Performance
0750 Shift Solenoid 1 Malfunction
0755 Shift Solenoid 2 Malfunction
0781 (3) 1-2 Shift Malfunction
0782 (3) 2-3 Shift Malfunction
0783 (3) 3-4 Shift Malfunction
1098 EOT Circuit High Input
1211 (1) ICP Not Controllable - Pressure Above/Below Desired
1212 (1) ICP Voltage Not At Expected Level
1218 CID Stuck High
1219 CID Stuck Low
1261 High to Low Side Short - Cylinder 1
1262 High to Low Side Short - Cylinder 2
1263 High to Low Side Short - Cylinder 3
1264 High to Low Side Short - Cylinder 4
1265 High to Low Side Short - Cylinder 5
1266 High to Low Side Short - Cylinder 6
1267 High to Low Side Short - Cylinder 7
1268 High to Low Side Short - Cylinder 8
1271 High to Low Side Open - Cylinder 1
1272 High to Low Side Open - Cylinder 2
1273 High to Low Side Open - Cylinder 3
1274 High to Low Side Open - Cylinder 4
1275 High to Low Side Open - Cylinder 5
1276 High to Low Side Open - Cylinder 6
1277 High to Low Side Open - Cylinder 7
1278 High to Low Side Open - Cylinder 8
1280 (1) ICP Circuit Out Of Range Low
1281 (1) ICP Circuit Out Of Range High
1282 Excessive ICP
1283 IPR Circuit Failure
1284 ICP Failure - Aborts KOER or CCT Test
1291 High Side No. 1 (Right) Short to GND or B+
1292 High Side No. 2 (Left) Short to GND or B+
1293 High Side Open Bank No. 1 (Right)
1294 High Side Open Bank No. 2 (Left)
1295 (1) Multiple Faults on Bank No. 1 (Right)
1296 (1) Multiple Faults on Bank No. 2 (Left)
1297 High Sides Shorted Together
1298 IDM Failure
IDM Failure
1464 A/C On During KOER or CCT Test
1501 Vehicle Moved During Testing
1531 Invalid Test - Accelerator Pedal Movement
1536 Parking Brake Applied Failure
1660 Output Circuit Check Signal High
1661 Output Circuit Check Signal Low
1662 IDM_EN Circuit Failure
1663 FDCS Circuit Failure
1667 CID Circuit Failure
1668 PCM - IDM Diagnostic Communication Error
1705 TR Sensor Out of Self-Test Range
1706 (3) High Vehicle Speed In Park
1711 TFT Sensor Out of Self-Test Range
1728 (3) Transmission Slip Error - Converter Clutch Failed
1729 4x4L Switch Error
1746 EPC Solenoid Open Circuit
1747 EPC Solenoid Short Circuit
1748 (3) EPC Malfunction
1754 CCS (Solenoid) Circuit Malfunction
1779 TCIL Circuit Malfunction
1780 TCS Circuit Out of Self-Test Range
1781 4x4L Circuit Out of Self-Test Range
1783 (3) Transmission Overtemperature Condition
No DTC No Communication
No DTC Auxiliary Powertrain Control System
No DTC Tachometer Malfunction
(1) Malfunction Indicator Light (MIL) illuminates when fault is present.
(2) Ignore DTCs 0565, 0566, 0567, 0568 and 0569, if vehicle is not equipped with speed control.
(3) Transmission Control Indicator Light (TCIL) flashes when fault is present.
(4) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
ENGINE PERFORMANCE DTCS (7.5L)

DTC Description
No Code No Codes/Codes Not Listed
111 System Pass
112 Intake Air Temperature Sensor Circuit Low Input
113 Intake Air Temperature Sensor Circuit High Input
114 Intake Air Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
116 Engine Coolant Temperature Sensor Circuit Voltage Higher Or Lower Than Expected
117 Engine Coolant Temperature Sensor Circuit Low Input
118 Engine Coolant Temperature Sensor Circuit High Input
121 Throttle Position Sensor Fault
122 Throttle Position Sensor Circuit Low Input
123 Throttle Position Sensor Circuit High Input
124 Throttle Position Sensor Voltage Higher Than Expected
125 Throttle Position Sensor Voltage Lower Than Expected
126
E/F Series With MAP Sensor Manifold Absolute Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
All Others Barometric Pressure Sensor Circuit Voltage Higher Or Lower Than Expected
128 Manifold Absolute Pressure Sensor Vacuum Hose Damaged/Disconnected
129
With MAF Sensor Mass Air Flow Change During Dynamic Response Test KOER
With MAP Sensor Insufficient Manifold Absolute Pressure During Dynamic Response Test KOER
136 System Indicates Lean (Bank 2)
137 System Indicates Rich (Bank 2)
139 No Heated Oxygen Sensor (HO2S-2) Switches Detected (Bank 2)
141 Fuel System Indicates Lean
144 No Heated Oxygen Sensor (HO2S-1) Switches Detected (Bank 1)
157 Mass Air Flow Sensor Circuit Low Input
158 Mass Air Flow Sensor Circuit High Input
159 Mass Air Flow Sensor Circuit Voltage Higher Or Lower Than Expected
167 Insufficient Throttle Position Change During Dynamic Response Test KOER
171 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-1) Unable To Switch (Bank 1)
172 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Lean (Bank 1)
173 Lack Of Heated Oxygen Sensor (HO2S-1) Switches, Indicates Rich (Bank 1)
174 Mass Air Flow/Manifold Absolute Pressure Sensor
175 Fuel System At Adaptive Limits, Heated Oxygen Sensor (HO2S-2) Unable To Switch (Bank 2)
176 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Lean (Bank 2)
177 Lack Of Heated Oxygen Sensor (HO2S-2) Switches, Indicates Rich (Bank 2)
178 Mass Air Flow/Manifold Absolute Pressure Sensor
179 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 1)
181 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 1)
184 Mass Air Flow Sensor Voltage Higher Than Expected
185 Mass Air Flow Sensor Voltage Lower Than Expected
186 Injector Pulsewidth Higher Than Expected
187 Injector Pulsewidth Lower Than Expected
188 Fuel System At Lean Adaptive Limit At Part Throttle, System Rich (Bank 2)
189 Fuel System At Rich Adaptive Limit At Part Throttle, System Lean (Bank 2)
194 Cylinder Balance - Multiple Injectors
195 Cylinder Balance - Multiple Injectors
211 Profile Ignition Pickup Circuit Failure
212 Loss Of Ignition Diagnostic Monitor Input To PCM/SPOUT Circuit Grounded
213 SPOUT Circuit Open
215 Coil 1 Primary Circuit Failure
216 Coil 2 Primary Circuit Failure
217 Coil 3 Primary Circuit Failure
218 Loss Of Ignition Diagnostic Monitor Signal (Left Side)
222 Loss Of Ignition Diagnostic Monitor Signal (Right Side)
224 Coil 1/2/3/4 Primary Circuit Failure
225 Knock Not Sensed During Dynamic Response Test
232 Coil 1/2/3/4 Primary Circuit Failure
238 Coil 4 Primary Circuit Failure
311 Secondary Air Injection System Inoperative During KOER (Bank 1)
312 Secondary Air Injection Misdirected During KOER
313 Secondary Air Injection Not Bypassed During KOER
314 Secondary Air Injection System Inoperative During KOER (Bank 2)
326 Exhaust Gas Recirculation Circuit Voltage Lower Than Expected
327 Exhaust Gas Recirculation (EVP) Circuit Below Minimum Voltage
328 Exhaust Gas Recirculation Closed Valve Voltage Lower Than Expected
332 Insufficient Exhaust Gas Recirculation (EVP) Flow
334 Exhaust Gas Recirculation Closed Valve Voltage Higher Than Expected
335 Exhaust Gas Recirculation Sensor Voltage Higher/Lower Than Expected
337 Exhaust Gas Recirculation Circuit Above Maximum Voltage
338 Engine Coolant Temperature Lower Than Expected
339 Engine Coolant Temperature Higher Than Expected
341 Octane Adjust Service Pin Open
411 Cannot Control RPM During KEOR Low RPM Check
412 Cannot Control RPM During KEOR High RPM Check
452 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
511 Powertrain Control Module Read Only Memory Test Failure (KOEO)
512 Powertrain Control Module Keep Alive Memory Test Failure
513 Powertrain Control Module Internal Voltage Failure (KOEO)
519 Power Steering Pressure Switch Circuit Open
521 Power Steering Pressure Switch Circuit Did Not Change States
522 Vehicle Not In PARK Or NEUTRAL During KOEO
525 Vehicle In Gear / A/C On
528 Clutch Pedal Position Switch Circuit Failure
529 Data Communication Link Or Powertrain Control Module Circuit Failure
533 Data Communication Link Or Electronic Instrument Cluster Circuit Failure
536 Brake On/Off Circuit Failure
538 Insufficient RPM Change
539 A/C On / Defrost On During Self-Test
542 Fuel Pump Circuit Open - Powertrain Control Module To Motor Ground
543 Fuel Pump Circuit Open - Battery To Powertrain Control Module
551 Idle Air Control Circuit Failure
552 Secondary Air Injection Bypass Circuit Failure
553 Secondary Air Injection Diverter Circuit Failure
556 Fuel Pump Relay Primary Circuit Failure
558 Exhaust Gas Recirculation Vacuum Regulator Circuit Failure
559 Air Conditioning On Relay Circuit Failure
565 Canister Purge Circuit Failure
566 3-4 Shift Solenoid Circuit Failure
569 Auxiliary Canister Purge Circuit Failure
617 1-2 Shift Error
618 2-3 Shift Error
619 3-4 Shift Error
621 Shift Solenoid 1 Circuit Failure
622 Shift Solenoid 2 Circuit Failure
623 4X4 Low & Transmission Control Switch
624 Electronic Pressure Control Circuit Failure
625 Electronic Pressure Control Driver Open In Powertrain Control Module
626 Coast Clutch Solenoid Circuit Failure
627 Torque Converter Clutch Solenoid Circuit Failure
628 Excessive Converter Clutch Slippage
629 Torque Converter Clutch Solenoid Circuit Failure
631 Transmission Control Indicator Lamp Circuit Failure
632 Transmission Control Switch Circuit Did Not Change States During KOER
633 4X4 Low Switch Closed During KOEO
634 Transmission Range Voltage Higher/Lower Than Expected
636 Transmission Fluid Temperature Higher/Lower Than Expected
637 Transmission Fluid Temperature Sensor Circuit Above Maximum Voltage
638 Transmission Fluid Temperature Sensor Circuit Below Minimum Voltage
639 Insufficient Input From Vehicle Speed Sensor To Powertrain Control Module
641 Shift Solenoid 3 Circuit Failure
643 Coast Clutch Solenoid Circuit Failure
645 Incorrect Gear Ratio - 1st Gear
646 Incorrect Gear Ratio - 2nd Gear
647 Incorrect Gear Ratio - 3rd Gear
648 Incorrect Gear Ratio - 4th Gear
649 Electronic Pressure Control Higher Or Lower Than Expected
651 Electronic Pressure Control Circuit Failure
652 Torque Converter Clutch Solenoid Circuit Failure
653 Transmission Control Switch Did Not Change States
654 Transmission Range Sensor Indicating Not In PARK During Self-Test
656 Torque Converter Clutch Slippage
657 Transmission Fluid Temperature OverTemperature
659 High Vehicle Speed In Park
667 Transmission Range Circuit Voltage Below Minimum Voltage
668 Transmission Range Circuit Voltage Above Maximum Voltage
675 Transmission Range Sensor Circuit Voltage Out Of Range
676 Transmission Fault
677 Transmission Fault
691 4X4 Low Switch Open Or Short Circuit
692 Transmission State Does Not Match Calculated Ratio
998 Hard Fault Present - FMEM Mode
(1) Refer to appropriate SYSTEM/ COMPONENT TESTS article.

(2) Check transmission for mechanical problem.
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