Engine Controls - Tests W/Codes - 4.3L
- Model Identification
- Introduction
- Self-Diagnostic System
- Trouble Code Charts
- Notes
- Code 13, Open Oxygen Sensor Circuit - All Models
- Code 14, Coolant Sensor Signal Voltage Low - All Models
- Code 15, Coolant Sensor Signal Voltage High - All Models
- Code 16, VSS Buffer Fault - "S" & "T" Series, (VIN W) Utility A/T & (VIN Z) Pickup A/T
- Code 21, TPS Signal Voltage High - All Models
- Code 22, TPS Signal Voltage Low - All Models
- Code 23, Intake Air Temp. Low - "L", "M", "S" & "T" Series
- Code 24, VSS Transmission Output Signal - A/T - All Models
- Code 25, Intake Air Temperature High - "L", "M", "S" & "T" Series
- Code 28, Transmission Range Pressure Switch - All Models
- Code 32, EGR Circuit Error BACKPRESSURE EGR With Solenoid - "C", "K" & "P" Series
- Code 32, EGR Circuit Error With EVRV Solenoid - "C", "G", "K" & "P" Series
- Code 32, EGR Circuit Error - "L", "M", "S" & "T" Series W/ Linear EGR
- Code 32, EGR Circuit Error - "C", "G" & "K" Series W/ Linear EGR
- Code 33, Map Sensor Signal Voltage High - All Models
- Code 34, Map Sensor Signal Voltage Low - All Models
- Code 35, Idle Speed Error - All Models
- Code 36, Idle Speed Actuator Fault - "C", "G", "K" & "P" Series A/T
- Codes 37/38, TCC Brake Switch On/Off - All Models A/T
- Code 39, TCC Stuck Off - "C", "G", "K" & "P" Series With 4L80-E Transmission
- Code 42, Ignition Control - All Models
- Code 43, Knock Sensor W/O Spark Module (Dual Sensors)
- Code 43, Knock Sensor Without Spark Module (Single Sensor)
- Code 43, Knock Sensor With Spark Control Module "C", "K" & "P" Series
- Code 44, Lean Exhaust Indication - All Models
- Code 45, Rich Exhaust Indication - All Models
- Code 51, Prom Error (Faulty Or Incorrect Prom)
- Code 52, Faulty CALPAK
- Code 52/53, System Voltage High - All Models
- Code 54, Fuel Pump Circuit - All Models
- Code 55, ECM/Pcm Error
- Code 58, Transmission Fluid Temperature High - All Models
- Code 59, Transmission Fluid Temperature Low - All Models
- Code 66, 3-2 Control Solenoid CKT Fault 4L60-E Transmission
- Code 67, TCC Solenoid Circuit Check - 4L60-E Transmission
- Code 68, Overdrive Ratio Error - 4L80-E Transmission
- Code 69, Torque Converter Clutch Stuck On 4L60-E Transmission
- Code 69, Torque Converter Clutch Stuck On 4L80-E Transmission
- Code 72, VSS Circuit Loss Trans Output Signal - All Models
- Code 73, Pressure Control Solenoid (Current Error) - All Models
- Code 74, Transmission Input Speed Error 4L80-E Transmission
- Code 75, System Voltage Low - All Models
- Code 79, Transmission Fluid Temperature High - All Models
- Code 81, Transmission 2-3 Error - All Models
- Code 82, Transmission 1-2 Error - All Models
- Code 83, TCC Solenoid Circuit Fault - All Models
- Code 85, Undefined Gear Ratio - All Models
- Code 86, Low Gear Ratio Error - All Models
- Code 87, High Gear Ratio Error - All Models
- Code P0106, Map Sensor Range Problem - "S" & "T" Series 4.3L (VIN W)
- Code P0107, Map Sensor CKT - "S" & "T" Series 4.3L (VIN W)
- Code P0108, Map Sensor CKT - "S" & "T" Series 4.3L (VIN W)
- Code P0112, IAT Sensor Circuit Low Input - "S" & "T" Series 4.3L (VIN W)
- Code P0113, IAT Sensor Circuit High Input - "S" & "T" Series 4.3L (VIN W)
- Code P0117, Coolant Temperature Sensor Temperature Low "S" & "T" Series 4.3L (VIN W)
- Code P0118, Coolant Temperature Sensor Temperature High "S" & "T" Series 4.3L (VIN W)
- Code P0121, TP Sensor Range/Performance Problem "S" & "T" Series 4.3L (VIN W)
- Code P0122, Throttle Position Sensor Signal Low "S" & "T" Series 4.3L (VIN W)
- Code P0123, Throttle Position Sensor Signal High "S" & "T" Series 4.3L (VIN W)
- Code P0123, Throttle Position Sensor Signal High 4.3L "S" & "T" Series (VIN Z)
- Code P0125, Coolant Sensor Excessive Time To Closed Loop "S" & "T" Series 4.3L (VIN W)
- Code P0131, Heated Oxygen Sensor Low Signal Voltage (Lean) "S" & "T" Series 4.3L (VIN W)
- Code P0132, Heated O2 Sensor High Signal Voltage (Rich) "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 1
- Code P0133, Heated Oxygen Sensor Slow Response
- Code P0134, Heated Oxygen Sensor Open Circuit - "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 1
- Code P0135, Heated Oxygen Sensor Heater Circuit Malfunction "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 1
- Code P0137, Heated Oxygen Sensor Low Signal Voltage (Lean) "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 2
- Code P0138, Heated Oxygen Sensor High Signal Voltage (Rich) "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 2
- Code P0139, Heated Oxygen Sensor Open Circuit "S" & "T" Series 4.3L (VIN Z) Bank 1, Sensor 2
- Code P0140, Heated Oxygen Sensor Open Circuit "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 2
- Code P0141, Heated Oxygen Sensor Heater Circuit Malfunction "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 2
- Code P0171, Fuel Trim Lean - "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 1
- Code P0171, Lean Exhaust - "S" & "T" Series 4.3L (VIN Z)
- Code P0172, Fuel Trim Rich - "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 1
- Code P0172, Rich Exhaust - "S" & "T" Series 4.3L (VIN Z)
- Code P0300, Random Misfire Detected - "S" & "T" Series 4.3L (VIN W)
- Code P0301-306, Cylinders 1-6 Misfiring - "S" & "T" Series 4.3L (VIN W)
- Code P0320, Ignition Control Error - "S" & "T" Series 4.3L (VIN Z)
- Code P0325/326, Knock Sensor Open Or Shorted "S" & "T" Series 4.3L (VIN W)
- Code P0327, Knock Sensor Grounded - "S" & "T" Series 4.3L (VIN Z)
- Code P0328, Knock Sensor Open - "S" & "T" Series 4.3L (VIN Z)
- Code P0337/338, Crank Sensor Input - "S" & "T" Series 4.3L (VIN W)
- Code P0340, Cam Sensor Malfunction - "S" & "T" Series 4.3L (VIN W)
- Code P0341, Cam Sensor Range - "S" & "T" Series 4.3L (VIN W)
- Code P0400, EGR Error - "S" & "T" Series 4.3L (VIN Z)
- Code P0401, EGR Flow Test Failure - "S" & "T" Series 4.3L (VIN W)
- Code P0420, Catalyst Efficiency Low (Bank 1)
- Code P0441, Incorrect EVAP Purge - "S" & "T" Series 4.3L (VIN W)
- Code P0500, VSS Circuit - "S" & "T" Series
- Codes P0502/P0503, VSS Circuit Low/High - "S" & "T" Series 4.3L (VIN W)
- Code, P0506/507 IAC Counts Low/High - "S" & "T" Series 4.3L (VIN W)
- Code 560, System Voltage Malfunction - "S" & "T" Series 4.3L (VIN W)
- Code P0703 - TCC Brake Input Circuit "S" & "T" Series 4.3L (VIN W)
- Code P0712, Transaxle Temperature Sensor Signal Voltage Low "S" & "T" Series 4.3L (VIN W)
- Code P0713, Transaxle Temperature Sensor Signal Voltage High "S" & "T" Series 4.3L (VIN W)
- Code P0742, TCC Stuck On - "S" & "T" Series 4.3L (VIN W)
- Code P0748, Pressure Control Solenoid - "S" & "T" Series 4.3L (VIN W)
- Code P0753, 1-2 Shift Solenoid - "S" & "T" Series 4.3L (VIN W)
- Code P0756, 2-3 Shift Solenoid Performance - "S" & "T" Series 4.3L (VIN W)
- Code P0758, 2-3 Shift Solenoid Electrical "S" & "T" Series 4.3L (VIN W)
- Code P1106, Map Intermittent High - "S" & "T" Series 4.3L (VIN W)
- Code P1107, Map Intermittent Low - "S" & "T" Series 4.3L (VIN W)
- Code P1111, IAT Intermittent High - "S" & "T" Series 4.3L (VIN W)
- Code P1112, IAT Intermittent Low - "S" & "T" Series 4.3L (VIN W)
- Code P1114, ECT Intermittent Low - "S" & "T" Series 4.3L (VIN W)
- Code P1115, ECT Intermittent High - "S" & "T" Series 4.3L (VIN W)
- Code P1121, TP Sensor Intermittent High - "S" & "T" Series 4.3L (VIN W)
- Code P1122, TP Sensor Intermittent Low - "S" & "T" Series 4.3L (VIN W)
- Code P1133, Oxygen Sensor Insufficient Activity "S" & "T" Series 4.3L (VIN W) Bank 1, Sensor 1
- Code P1221, Fuel Pump Secondary System Circuit Low "S" & "T" Series 4.3L (VIN W)
- Code P1222, Fuel Pump Voltage Low - "S" & "T" Series 4.3L (VIN Z)
- Code P1345, Crankshaft/Camshaft Sensor Correlation Error "S" & "T" Series 4.3L (VIN W)
- Code P1351, Est Output High - "S" & "T" Series 4.3L (VIN W)
- Code P1361, Est Not Toggling - "S" & "T" Series 4.3L (VIN W)
- Code P1406, EGR Valve Pintle Position - "S" & "T" Series 4.3L (VIN W) (1 Of 2)
- Code P1406, EGR Valve Pintle Position - "S" & "T" Series 4.3L (VIN W) (2 Of 2)
- Code P1441, Evaporative System Continuous Purge "S" & "T" Series 4.3L (VIN W)
- Code P1442, Evaporative System Vacuum Switch Static Test Malfunction - "S" & "T" Series 4.3L (VIN W)
- Code P1508/1509, Idle Speed Low/High - "S" & "T" Series 4.3L (VIN W)
- Code P1632, System Voltage High - "S" & "T" Series 4.3L (VIN Z)
- Code P1810, Transmission Range Switch Assembly Circuit "S" & "T" Series 4.3L (VIN W)
- Code P1812, Trans Fluid OVERTEMP - "S" & "T" Series 4.3L (VIN W)
- Code P1860, TCC PWM Solenoid Electrical Circuit "S" & "T" Series 4.3L (VIN W)
- Code P1864, TCC Solenoid Electrical Circuit "S" & "T" Series 4.3L (VIN W)
- Code P1870, Transmission Component Slipping "S" & "T" Series 4.3L (VIN W)
- Code P1886, 3-2 Solenoid Electrical Circuit "S" & "T" Series 4.3L (VIN W)
- Summary
- Wiring Diagrams
- Astro & Safari
- "C" & "K" Series With A/T
- "C" & "K" Series Pickup & Sierra - With M/T
- "P" Series - With M/T
- "P" Series - Commercial Van/MOTORHOME - With 4L80-E
- "S" & "T" Blazer, Jimmy, Pickup & SONOMA - VIN W W/Pcm
- "S" & "T" Blazer, Jimmy, Pickup & SONOMA - VIN W W/VCM
- "S" & "T" Blazer, Jimmy, Pickup & SONOMA - VIN Z W/Pcm
- "S" & "T" Blazer, Jimmy, Pickup & SONOMA - VIN Z W/VCM
- Van - With 4L60-E
- Van - With 4L80-E