Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1996SPORTVAN VAN PASSENGER EXTENDED, 6.5 YREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 43 (ENGINE CONTROLS - TESTS W/CODES - 5.7L)
1996 Chevrolet Sportvan Van Passenger Extended, 6.5 Y
Section 43 (Engine Controls - Tests W/Codes - 5.7L)
1996 Chevrolet Sportvan Van Passenger Extended, 6.5 YSECTION Section 43 (Engine Controls - Tests W/Codes - 5.7L)
WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 1996 Chevrolet Chevy Van, 1995 GMC Yukon, 1995 GMC Vandura Special, 1995 GMC Vandura, and 1995 GMC Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Self-Diagnostic System
- Trouble Code Charts
- Notes
- 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
- 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
- DTC 45: Rich Exhaust Indication
- 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
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.