Repair manual
Chevrolet Chevy Van G3500 Repair Manual
Step-by-step repair and maintenance instructions for the Chevrolet Chevy Van G3500 (1985–1999): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
75sections
643articles
ENManual language
- INTRODUCTION
- "C" & "K" SERIES WITH 4L60-E A/T & PCM
- 4.3L "C" & "K" SERIES WITH 4L80-E A/T & PCM
- 4.3L "G" SERIES WITH 4L60-E A/T & PCM
- 4.3L "M" & "L" SERIES WITH PCM
- "P" SERIES 4.3L WITH M/T & PCM
- 4.3L VIN W "S" & "T" SERIES PICKUP & UTILITY WITH A/T & PCM
- 4.3L VIN Z - "S" & "T" SERIES PICKUP WITH A/T & PCM
- 4.3L VIN Z - "S" & "T" SERIES WITH M/T & VCM
- 4.3L "S" & "T" SERIES WITH A/T OR M/T & VCM-A
- MODEL IDENTIFICATION
- INTRODUCTION
- TERMINOLOGY
- SELF-DIAGNOSTIC SYSTEM
- HARD FAILURES
- INTERMITTENT FAILURES
- DIAGNOSTIC PROCEDURE
- RETRIEVING CODES (NON-SCAN)
- READING TROUBLE CODES
- CLEARING TROUBLE CODES
- ECM LOCATION
- Diagnostic Aids
- Field Service Mode Check
- SPECIAL TOOLS (DIAGNOSTIC)
- SCAN TESTER USAGE
- SCAN TESTER DATA
- TROUBLE CODE CHARTS
- 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
- IAC Valve Reset Procedure
- System Too Lean
- System Too Rich
- Throttle Body
- IAC Valve Connections
- PCV Valve
- 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
- O2 Sensor Wire
- Fuel Contamination
- Fuel Pressure
- Exhaust Leaks
- CODE 45, RICH EXHAUST INDICATION - ALL MODELS
- Fuel Pressure High
- Ignition Ground
- Fuel Canister
- MAP Sensor
- TPS
- O2 Sensor Contamination
- EGR Problem
- 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)
- Intermittents
- Sensor Accuracy
- 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)
- Poor Connection Or Damaged Harness
- Intermittent Test
- 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
- MODEL IDENTIFICATION
- INTRODUCTION
- TERMINOLOGY
- OVERVIEW
- Hard Failures
- Intermittent Failures
- DIAGNOSTIC PROCEDURE
- RETRIEVING CODES (NON-SCAN)
- READING TROUBLE CODES
- CLEARING TROUBLE CODES
- ECM LOCATION
- Diagnostic Aids
- Field Service Mode Check
- SPECIAL TOOLS (DIAGNOSTIC)
- SCAN TESTER USAGE
- SCAN TESTER DATA
- TROUBLE CODE CHARTS
- DTC 13: OPEN OXYGEN SENSOR CIRCUIT
- DTC 14: COOLANT SENSOR SIGNAL VOLTAGE LOW
- DTC 15: COOLANT SENSOR SIGNAL VOLTAGE HIGH
- DTC 16: VSS BUFFER FAULT
- DTC 21: TPS SIGNAL VOLTAGE HIGH
- DTC 22: TPS SIGNAL VOLTAGE LOW
- DTC 24: VSS - "C" & "K" SERIES EXCEPT 5.7L M/T
- DTC 24: VSS TRANSMISSION OUTPUT SIGNAL - A/T
- DTC 24: VSS - M/T
- DTC 28: TRANSMISSION RANGE PRESSURE SWITCH
- DTC 31: ENGINE SPEED GOVERNOR - "G" SERIES
- DTC 32: EGR CIRCUIT ERROR BACKPRESSURE EGR WITH SOLENOID
- DTC 32: EGR CIRCUIT ERROR WITH EVRV SOLENOID
- DTC 32: EGR CKT ERROR - "C", "G", "K" SERIES W/ LINEAR EGR
- DTC 33: MAP SENSOR SIGNAL VOLTAGE HIGH
- DTC 34: MAP SENSOR SIGNAL VOLTAGE LOW
- DTC 35: IDLE SPEED ERROR
- IAC Valve Reset Procedure
- System Too Lean
- System Too Rich
- Throttle Body
- IAC Valve Connections
- PCV Valve
- DTC 36: IDLE SPEED ACTUATOR FAULT - A/T
- DTC 37/38: TCC BRAKE SWITCH ON/OFF
- DTC 39: TCC STUCK OFF - 4L80-E TRANSMISSION
- DTC 42: IGNITION CONTROL
- DTC 43: KNOCK SENSOR WITHOUT SPARK MODULE (DUAL SENSORS)
- DTC 43: KNOCK SENSOR WITHOUT SPARK MODULE (SINGLE SENSOR)
- DTC 43: KNOCK SENSOR WITH SPARK CONTROL MODULE
- DTC 44: LEAN EXHAUST INDICATION
- O2 Sensor Wire
- Fuel Contamination
- Fuel Pressure
- Exhaust Leaks
- DTC 45: RICH EXHAUST INDICATION
- Fuel Pressure High
- Ignition Ground
- Fuel Canister
- MAP Sensor
- TPS
- O2 Sensor Contamination
- EGR Problem
- DTC 51: PROM ERROR (FAULTY OR INCORRECT PROM)
- DTC 52: FAULTY CALPAK
- DTC 52/53: SYSTEM VOLTAGE HIGH
- DTC 55: ECM/PCM ERROR
- DTC 54: FUEL PUMP CIRCUIT
- DTC 58: TRANSMISSION FLUID TEMPERATURE HIGH
- DTC 59: TRANSMISSION FLUID TEMPERATURE LOW
- DTC 66: 3-2 CONTROL SOLENOID CKT FAULT 4L60-E TRANSMISSION
- DTC 67: TCC SOLENOID CIRCUIT CHECK - 4L60-E TRANSMISSION
- DTC 68: OVERDRIVE RATIO ERROR - 4L80-E TRANSMISSION
- DTC 69: TORQUE CONVERTER CLUTCH STUCK ON 4L60-E TRANSMISSION
- DTC 69: TORQUE CONVERTER CLUTCH STUCK ON 4L80-E TRANSMISSION
- DTC 72: VSS CIRCUIT LOSS TRANSMISSION OUTPUT SIGNAL
- DTC 73: PRESSURE CONTROL SOLENOID (CURRENT ERROR)
- DTC 74: TRANSMISSION INPUT SPEED ERROR 4L80-E TRANSMISSION
- DTC 75: SYSTEM VOLTAGE LOW
- DTC 79: TRANSMISSION FLUID TEMPERATURE HIGH
- DTC 81: TRANSMISSION 2-3 ERROR
- DTC 82: TRANSMISSION 1-2 ERROR
- DTC 83: TCC SOLENOID CIRCUIT FAULT
- DTC 85: UNDEFINED GEAR RATIO
- DTC 86: LOW GEAR RATIO ERROR
- DTC87: HIGH GEAR RATIO ERROR
- SUMMARY
- INTRODUCTION
- SELF-DIAGNOSTIC SYSTEM
- Preliminary Inspection
- Diagnostic Procedure
- ENTERING & EXITING DIAGNOSTIC MODE
- TROUBLE CODE IDENTIFICATION
- CLEARING TROUBLE CODES
- PCM/TCM LOCATION
- SPECIAL TOOLS (DIAGNOSTIC)
- SCAN TESTER USAGE
- TYPICAL TECH 1 DATA VALUES
- TEST EQUIPMENT
- DIAGNOSTIC TROUBLE CODE CHARTS
- ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK (MODELS WITH PCM)
- ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK - (4L80-E WITH TCM)
- CHART A-1, NO MIL (SERVICE ENGINE SOON LIGHT) (MODELS W/ PCM)
- Diagnostic Aids
- CHART A-1, NO MIL (SERVICE ENGINE SOON LIGHT) 4L80-E W/ TCM
- CHART A-2, NO SCAN DATA, MIL (SERVICE ENGINE SOON) ON AT ALL TIMES OR WILL NOT FLASH MIL (MODELS WITH PCM)
- CHART A-2, NO DATA LINK CONNECTOR (DLC) DATA, WILL NOT DISPLAY DTC 12 OR MIL ON STEADY (4L80-E W/ TCM)
- CHART A-3, ENGINE CRANKS BUT WILL NOT RUN
- EGR CONTROL PRESSURE/BARO SENSOR OUTPUT CHECK
- DTC 13, ENGINE SHUTOFF SOLENOID CIRCUIT FAULT
- DTC 14, ECT SENSOR CIRCUIT LOW (HIGH TEMPERATURE INDICATED)
- DTC 15, ECT SENSOR CIRCUIT HIGH (LOW TEMPERATURE INDICATED)
- DTC 16, VEHICLE SPEED SIGNAL BUFFER FAULT
- DTC 17, HIGH RESOLUTION CIRCUIT FAULT
- DTC 18, PUMP CAM REFERENCE PULSE ERROR
- DTC 19, CRANKSHAFT POSITION REFERENCE ERROR
- DTC 21, APP NO. 1 CIRCUIT HIGH (MODELS WITH PCM)
- DTCS 21/22, TP SENSOR CIRCUIT HIGH/LOW (4L80-E WITH TCM)
- DTC 22, APP NO. 1 CIRCUIT LOW (MODELS WITH PCM)
- DTC 23, APP NO. 1 CIRCUIT RANGE FAULT
- DTC 24, VSS CIRCUIT LOW (TRANSMISSION OUTPUT SPEED SIGNAL)
- DTC 25, ACCELERATOR PEDAL POSITION (APP) NO. 2 CIRCUIT HIGH
- DTC 26, ACCELERATOR PEDAL POSITION (APP) NO. 2 CIRCUIT LOW
- DTC 27, APP NO. 2 CIRCUIT RANGE FAULT
- DTC 28, TRANSMISSION RANGE PRESSURE SWITCH CIRCUIT FAULT
- DTC 29, GLOW PLUG RELAY CIRCUIT FAULT
- DTC 31, EGR CONTROL PRESSURE/BARO SENSOR CKT LOW (HIGH VAC)
- DTC 32, EGR CIRCUIT ERROR - "G" SERIES
- DTC 33, EGR CONTROL PRESSURE/BARO SENSOR CKT HIGH (LOW VAC)
- DTC 34, INJECTION TIMING STEPPER (ITS) MOTOR CIRCUIT FAULT
- DTC 35, INJECTION PULSE WIDTH ERROR (RESPONSE TIME SHORT)
- DTC 36, INJECTION PULSE WIDTH ERROR (RESPONSE TIME LONG)
- DTCS 37/38, TCC BRAKE SWITCH STUCK ON/OFF
- DTC 39, TCC STUCK OFF (4L80-E)
- DTC 41, BRAKE SWITCH CIRCUIT FAULT
- DTC 41, BRAKE SWITCH CIRCUIT FAULT - "P" SERIES
- DTC 42, FUEL TEMP CIRCUIT LOW (HIGH TEMP INDICATED)
- DTC 43, FUEL TEMP CIRCUIT HIGH (LOW TEMP INDICATED)
- DTC 44, EGR PULSE WIDTH ERROR - "G" SERIES
- DTC 45, EGR VENT ERROR - "G" SERIES
- DTC 46, MALFUNCTION INDICATOR LIGHT (MIL) CIRCUIT FAULT
- DTC 47, IAT SENSOR CIRCUIT LOW (HIGH TEMPERATURE INDICATED)
- DTC 48, IAT SENSOR CIRCUIT HIGH (LOW TEMPERATURE INDICATED)
- DTC 49, SERVICE THROTTLE SOON LIGHT CIRCUIT FAULT
- DTC 51, PROM PROBLEM (FAULTY OR INCORRECT PROM)
- DTCS 52/53, SYSTEM VOLTAGE HIGH LONG
- DTC 54, PCM FUEL CIRCUIT ERROR
- DTC 56, INJECTION PUMP CALIBRATION RESISTOR ERROR
- DTC 57, PCM 5-VOLT SHORTED
- DTC 58, TRANSMISSION FLUID TEMP SENSOR CIRCUIT LOW (HIGH TEMP INDICATED) 4L60-E & 4L80-E
- DTC 59, TRANSMISSION FLUID TEMP SENSOR CIRCUIT HIGH (LOW TEMP INDICATED) 4L60-E & 4L80-E
- DTC 61, TURBO BOOST SENSOR CIRCUIT HIGH - "P" SERIES
- DTC 62, TURBO BOOST SENSOR CIRCUIT LOW - "P" SERIES
- DTC 63, ACCELERATOR PEDAL POSITION (APP) NO. 3 CIRCUIT HIGH (MODELS WITH PCM)
- DTCS 63/64, BARO SENSOR CIRCUIT HIGH/LOW (4L80-E WITH TCM)
- DTC 64, APP NO. 3 CIRCUIT LOW (MODELS WITH PCM)
- DTC 65, APP NO. 3 CIRCUIT RANGE FAULT
- DTC 66, 3-2 CONTROL SOLENOID CKT FAULT - "G" SERIES 4L60-E
- DTC 67, TCC SOLENOID CIRCUIT FAULT - "G" SERIES 4L60-E
- DTC 68, TRANSMISSION COMPONENT SLIPPING (4L80-E)
- DTC 69, TCC STUCK ON - "G" SERIES 4L60-E
- DTC 69, TCC STUCK ON (4L80-E)
- DTC 71, SET/COAST SWITCH FAULT (MODELS WITH PCM)
- DTC 71, CAMSHAFT POSITION SENSOR CIRCUIT LOW (4L80-E W/ TCM)
- DTC 72, SPEED SENSOR CIRCUIT LOSS (TRANS OUTPUT SPEED SIGNAL)
- DTC 73, PRESSURE CONTROL SOLENOID CIRCUIT (CURRENT ERROR)
- DTC 74, TRANSMISSION INPUT SPEED SENSOR CIRCUIT (4L80-E)
- DTC 75, SYSTEM VOLTAGE LOW
- DTC 76, RESUME/ACCEL SWITCH FAULT
- DTC 78, WASTEGATE SOLENOID FAULT - "P" SERIES
- DTC 79, TRANSMISSION FLUID OVERTEMP - 4L60-E & 4L80-E
- DTC 81, 2-3 SHIFT SOLENOID CIRCUIT FAULT
- DTC 82, 1-2 SHIFT SOLENOID CIRCUIT FAULT
- DTC 83, TCC PWM SOLENOID CIRCUIT FAULT
- DTC 84, ACCELERATOR PEDAL POSITION (APP) CIRCUIT FAULT
- DTC 85, UNDEFINED RATIO ERROR (4L80-E)
- DTC 86, LOW RATIO ERROR (4L80-E)
- DTC 87, HIGH RATIO ERROR (4L80-E)
- DTC 88, TDC OFFSET ERROR
- DTC'S 91-98, CYLINDER BALANCE FAULT
- DTC 99, APP NO. 2 (5-VOLT REFERENCE FAULT)
- CONNECTOR IDENTIFICATION
- DIAGNOSIS & TESTING
- Diagnostic Trouble Codes (DTCs)
- Scan Tool Diagnostics
- Diagnostic Procedure
- SIR DIAGNOSTIC SYSTEM CHECK
- Description
- Diagnostic Aids
- CHART A - INFLATABLE RESTRAINT CONTROL MODULE INTEGRITY CHECK
- CHART B - AIR BAG WARNING LIGHT COMES ON STEADY
- CHART C - AIR BAG WARNING LIGHT DOES NOT COME ON
- DTC 15 - PASSENGER-SIDE DEPLOYMENT LOOP RESISTANCE HIGH
- DTC Will Set
- Action Taken
- DTC Will Clear
- DTC 16 - PASSENGER-SIDE DEPLOYMENT LOOP RESISTANCE LOW
- DTC 17 - PASSENGER-SIDE DEPLOYMENT LOOP OPEN
- DTC 18 - PASSENGER-SIDE DEPLOYMENT LOOP SHORT TO GROUND
- DTC 19 - PASSENGER-SIDE DEPLOYMENT LOOP SHORT TO VOLTAGE
- DTC 21 - DRIVER-SIDE DEPLOYMENT LOOP RESISTANCE HIGH
- DTC 22 - DRIVER-SIDE DEPLOYMENT LOOP RESISTANCE LOW
- DTC 24 - DRIVER-SIDE DEPLOYMENT LOOP SHORT TO GROUND
- DTC 25 - DRIVER-SIDE DEPLOYMENT LOOP SHORT TO VOLTAGE
- DTC 26 - DRIVER-SIDE DEPLOYMENT LOOP OPEN
- DTC 35 - DISCRIMINATING SENSOR CIRCUIT CLOSED OR SHORT TO GROUND
- DTC 36 - DISCRIMINATING SENSOR CIRCUIT OPEN OR SHORT TO
- DTC 51 - DEPLOYMENT COMMANDED
- DTC 53 - DEPLOYMENT COMMANDED WITH LOOP FAULT PRESENT
- DTC 61 - AIR BAG WARNING LIGHT CIRCUIT FAILURE
- DTC 71 - INTERNAL INFLATABLE RESTRAINT CONTROL MODULE FAILURE
- POST-COLLISION AIR BAG SAFETY INSPECTION
- SUPPLEMENTAL INFLATABLE RESTRAINT (SIR) SYSTEM
- SENSING AND DIAGNOSTIC MODULE (SDM)
- AIR BAG WARNING LIGHT
- FRONT END DISCRIMINATING SENSOR
- SIR COIL ASSEMBLY
- AIR BAG MODULES
- KNEE BOLSTERS
- SERVICE PRECAUTIONS
- SPECIAL TOOLS
- DISABLING & ACTIVATING AIR BAG SYSTEM
- DISABLING SYSTEM
- ACTIVATING SYSTEM
- POST-COLLISION INSPECTION
- CENTERING COIL ASSEMBLY
- DISPOSAL PROCEDURES
- ON-VEHICLE DEPLOYMENT
- OFF-VEHICLE DEPLOYMENT
- REMOVAL & INSTALLATION
- Removal
- Installation
- Removal (Driver-Side)
- Installation (Driver-Side)
- Removal (Passenger-Side)
- Installation (Passenger-Side)
- SYSTEM OPERATION CHECK
- WIRE REPAIR
- TORQUE SPECIFICATIONS