LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2009 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - Introduction >> Diagnostic Information and Procedures >> Diagnostic Code Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Code Index

DIAGNOSTIC CODE INDEX

DTC Description
DTC P0010, P0013, P0020, or P0023 P0010: Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 1
P0013: Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 1
P0020: Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 2
P0023: Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 2
DTC P0011, P0014, P0021, or P0024 P0011: Intake Camshaft Position (CMP) System Performance Bank 1
P0014: Exhaust Camshaft Position (CMP) System Performance Bank 1
P0021: Intake Camshaft Position (CMP) System Performance Bank 2
P0024: Exhaust Camshaft Position (CMP) System Performance Bank 2
DTC P0016, P0017, P0018, or P0019 P0016: Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation Bank 1
P0017: Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation Bank 1
P0018: Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation Bank 2
P0019: Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation Bank 2
DTC P0030, P0036, P0053, P0054, P0135, or P0141 P0030: HO2S Heater Control Circuit Bank 1 Sensor 1
P0036: HO2S Heater Control Circuit Bank 1 Sensor 2
P0053: HO2S Heater Resistance Bank 1 Sensor 1
P0054: HO2S Heater Resistance Bank 1 Sensor 2
P0135: HO2S Heater Performance Bank 1 Sensor 1
P0141: HO2S Heater Performance Bank 1 Sensor 2
DTC P0050, P0056, P0059, P0060, P0155, or P0161 P0050: HO2S Heater Control Circuit Bank 2 Sensor 1
P0056: HO2S Heater Control Circuit Bank 2 Sensor 2
P0059: HO2S Heater Resistance Bank 2 Sensor 1
P0060: HO2S Heater Resistance Bank 2 Sensor 2
P0155: HO2S Heater Performance Bank 2 Sensor 1
P0161: HO2S Heater Performance Bank 2 Sensor 2
DTC P0033 P0033: Supercharger Bypass Valve Solenoid Control Circuit
DTC P0068 or P0121 P0068: Throttle Body Airflow Performance
P0121: Throttle Position (TP) Sensor Performance
DTC P006D P006D: Supercharger Inlet Pressure (SCIP) - Barometric Pressure (BARO) Correlation
DTC P0096 P0096: Intake Air Temperature (IAT) Sensor 2 Performance
DTC P0097 or P0098 P0097: Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage
P0098: Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage
DTC P0101 or P1101 P0101: Mass Air Flow (MAF) Sensor Performance
P1101: Intake Air Flow System Performance
DTC P0102 or P0103 P0102: Mass Air Flow (MAF) Sensor Circuit Low Frequency
P0103: Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0106 P0106: Manifold Absolute Pressure (MAP) Sensor Performance
DTC P0107 or P0108 P0107: Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
P0108: Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0111 P0111: Intake Air Temperature (IAT) Sensor Performance
DTC P0112 or P0113 P0112: Intake Air Temperature (IAT) Sensor Circuit Low Voltage
P0113: Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0116 P0116: Engine Coolant Temperature (ECT) Sensor Performance
DTC P0117 or P0118 P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 P0120: Throttle Position (TP) Sensor 1 Circuit
P0122: Throttle Position (TP) Sensor 1 Circuit Low Voltage
P0123: Throttle Position (TP) Sensor 1 Circuit High Voltage
P0220: Throttle Position (TP) Sensor 2 Circuit
P0222: Throttle Position (TP) Sensor 2 Circuit Low Voltage
P0223: Throttle Position (TP) Sensor 2 Circuit High Voltage
P2135: Throttle Position (TP) Sensor 1-2 Correlation
DTC P0128 P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature
DTC P012B P012B: Supercharger Inlet Pressure Sensor Performance
DTC P012C or P012D P012C: Supercharger Inlet Pressure (SCIP) Sensor Circuit Low Voltage
P012D: Supercharger Inlet Pressure (SCIP) Sensor Circuit High Voltage
DTC P0131, P0132, P0137, or P0138 P0131: HO2S Circuit Low Voltage Bank 1 Sensor 1
P0132: HO2S Circuit High Voltage Bank 1 Sensor 1
P0137: HO2S Circuit Low Voltage Bank 1 Sensor 2
P0138: HO2S Circuit High Voltage Bank 1 Sensor 2
DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 P0133: HO2S Slow Response Bank 1 Sensor 1
P0134: HO2S Circuit Insufficient Activity Bank 1 Sensor 1
P0140: HO2S Circuit Insufficient Activity Bank 1 Sensor 2
P1133: HO2S Insufficient Switching Bank 1 Sensor 1
P2270: HO2S Signal Stuck Lean Bank 1 Sensor 2
P2271: HO2S Signal Stuck Rich Bank 1 Sensor 2
P2A00: HO2S Performance Bank 1 Sensor 1
P2A01: HO2S Performance Bank 1 Sensor 2
DTC P0151, P0152, P0157, or P0158 P0151: HO2S Circuit Low Voltage Bank 2 Sensor 1
P0152: HO2S Circuit High Voltage Bank 2 Sensor 1
P0157: HO2S Circuit Low Voltage Bank 2 Sensor 2
P0158: HO2S Circuit High Voltage Bank 2 Sensor 2
DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04 P0153: HO2S Slow Response Bank 2 Sensor 1
P0154: HO2S Circuit Insufficient Activity Bank 2 Sensor 1
P0160: HO2S Circuit Insufficient Activity Bank 2 Sensor 2
P1153: HO2S Insufficient Switching Bank 2 Sensor 1
P2272: HO2S Signal Stuck Lean Bank 2 Sensor 2
P2273: HO2S Signal Stuck Rich Bank 2 Sensor 2
P2A03: HO2S Performance Bank 2 Sensor 1
P2A04: HO2S Performance Bank 2 Sensor 2
DTC P0171, P0172, P0174, or P0175 P0171: Fuel Trim System Lean Bank 1
P0172: Fuel Trim System Rich Bank 1
P0174: Fuel Trim System Lean Bank 2
P0175: Fuel Trim System Rich Bank 2
DTC P0196 P0196: Engine Oil Temperature (EOT) Sensor Performance
DTC P0197 or P0198 P0197: Engine Oil Temperature (EOT) Sensor Circuit Low Voltage
P0198: Engine Oil Temperature (EOT) Sensor Circuit High Voltage
DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 P0201: Injector 1 Control Circuit
P0202: Injector 2 Control Circuit
P0203: Injector 3 Control Circuit
P0204: Injector 4 Control Circuit
P0205: Injector 5 Control Circuit
P0206: Injector 6 Control Circuit
P0207: Injector 7 Control Circuit
P0208: Injector 8 Control Circuit
DTC P0230 P0230: Fuel Pump Relay Control Circuit
DTC P023A P023A: Charge Air Cooler (CAC) Coolant Pump Relay Control Circuit
DTC P0300-P0308 P0300: Engine Misfire Detected
P0301: Cylinder 1 Misfire Detected
P0302: Cylinder 2 Misfire Detected
P0303: Cylinder 3 Misfire Detected
P0304: Cylinder 4 Misfire Detected
P0305: Cylinder 5 Misfire Detected
P0306: Cylinder 6 Misfire Detected
P0307: Cylinder 7 Misfire Detected
P0308: Cylinder 8 Misfire Detected
DTC P0315 P0315: Crankshaft Position (CKP) System Variation Not Learned
DTC P0324, P0325, P0326, P0327, P0328, P0330, P0331, P0332, or P0333 P0324: Knock Sensor (KS) Module Performance
P0325: Knock Sensor (KS) Circuit Bank 1
P0326: Knock Sensor (KS) Performance
P0327: Knock Sensor (KS) Circuit Low Voltage Bank 1
P0328: Knock Sensor (KS) Circuit High Voltage Bank 1
P0330: Knock Sensor (KS) Circuit Bank 2
P0332: Knock Sensor (KS) Circuit Low Voltage Bank 2
P0333: Knock Sensor (KS) Circuit High Voltage Bank 2
DTC P0335 P0335: Crankshaft Position (CKP) Sensor Circuit
DTC P0336 P0336: Crankshaft Position (CKP) Sensor Performance
DTC P0340, P0345, P0365, or P0390 P0340: Intake Camshaft Position (CMP) Sensor Circuit Bank 1
P0345: Intake Camshaft Position (CMP) Sensor Circuit Bank 2
P0365: Exhaust Camshaft Position (CMP) Sensor Circuit Bank 1
P0390: Exhaust Camshaft Position (CMP) Sensor Circuit Bank 2
DTC P0341, P0346, P0366, or P0391 P0341: Intake Camshaft Position (CMP) Sensor Performance Bank 1
P0346: Intake Camshaft Position (CMP) Sensor Performance Bank 2
P0366: Exhaust Camshaft Position (CMP) Sensor Performance Bank 1
P0391: Exhaust Camshaft Position (CMP) Sensor Performance Bank 2
DTC P0351-P0358 P0351: Ignition Coil 1 Control Circuit
P0352: Ignition Coil 2 Control Circuit
P0353: Ignition Coil 3 Control Circuit
P0354: Ignition Coil 4 Control Circuit
P0355: Ignition Coil 5 Control Circuit
P0356: Ignition Coil 6 Control Circuit
P0357: Ignition Coil 7 Control Circuit
P0358: Ignition Coil 8 Control Circuit
DTC P0420 or P0430 P0420: Catalyst System Low Efficiency Bank 1
P0430: Catalyst System Low Efficiency Bank 2
DTC P0442 P0442: Evaporative Emissions (EVAP) System Small Leak Detected
DTC P0443 or P0449 P0443: Evaporative Emission (EVAP) Purge Solenoid Control Circuit
P0449: Evaporative Emission (EVAP) Vent Solenoid Control Circuit
DTC P0446 P0446: Evaporative Emissions (EVAP) Vent System Performance
DTC P0451, P0452, P0453, or P0454 P0451: Fuel Tank Pressure (FTP) Sensor Performance
P0452: Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage
P0453: Fuel Tank Pressure (FTP) Sensor Circuit High Voltage
P0454: Fuel Tank Pressure (FTP) Sensor Intermittent
DTC P0455 P0455: Evaporative Emission (EVAP) System Large Leak
DTC P0496 P0496: Evaporative Emission System Flow During Non-Purge
DTC P0506 or P0507 P0506: Idle Speed Low
P0507: Idle Speed High
DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 P0601: Control Module Read Only Memory (ROM)
P0602: Control Module Not Programmed
P0603: Control Module Long Term Memory Reset
P0604: Control Module Random Access Memory (RAM)
P0606: Control Module Internal Performance
P0607: Control Module Performance
P060D: Control Module Accelerator Pedal Position (APP) System Performance
P062F: Control Module Long Term Memory Performance
P2610: Control Module Ignition Off Timer Performance
DTC P0641 or P0651 P0641: 5-Volt Reference 1 Circuit
P0651: 5-Volt Reference 2 Circuit
DTC P0650 P0650: Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0685 or P0690 P0685: Engine Controls Ignition Relay Control Circuit
P0690: Engine Controls Relay Feedback Circuit High Voltage
DTC P0700 P0700: Transmission Control Module (TCM) Requested MIL Illumination
DTC P1380 or P1381 P1380: Misfire Detected-Rough Road Data Not Available
P1381: Misfire Detected-No Communication With Brake Control Module
DTC P1400 P1400: Cold Start Emission Reduction Control System
DTC P1516, P2101, P2119, or P2176 P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
P2101: Throttle Actuator Position Performance
P2119: Throttle Closed Position Performance
P2176: Minimum Throttle Position Not Learned
DTC P1682 P1682: Ignition 1 Switch Circuit 2
DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit
P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit
P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation
DTC P2227 P2227: Barometric Pressure (BARO) Sensor Performance
DTC P2228 or P2229 P2228: Barometric Pressure (BARO) Sensor Circuit Low Voltage
P2229: Barometric Pressure (BARO) Sensor Circuit High Voltage
DTC P2544 P2544: Transmission Torque Request Circuit