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 MANUALSCHEVROLET1996FORWARD CONTROL 4.3 Z, STANDARDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXAUTOMATIC TRANSMISSIONS DTCS (4L80-E - EXCEPT OEM CODES)
1996 Chevrolet Forward Control 4.3 Z, Standard
Automatic Transmissions DTCS (4L80-E - Except OEM Codes)
1996 Chevrolet Forward Control 4.3 Z, StandardSECTION Automatic Transmissions DTCS (4L80-E - Except OEM Codes)
AUTOMATIC TRANSMISSIONS DTCS (4L80-E - EXCEPT OEM CODES)
| DTC | Description |
|---|---|
| P0218 | TRANSMISSION FLUID OVERTEMP |
| P0502 | VEHICLES SPEED SENSOR CIRCUIT (LOW INPUT) |
| P0560 | SYSTEM VOLTAGE MALFUNCTION |
| P0712 | TRANS. FLUID TEMPERATURE (TFT) SENSOR CIRCUIT (LOW INPUT) |
| P0713 | TRANS. FLUID TEMPERATURE (TFT) SENSOR CIRCUIT (HIGH INPUT) |
| P0716 | INPUT SPEED SENSOR CIRCUIT RANGE/PERFORMANCE MALFUNCTION |
| P0717 | INPUT SPEED SENSOR CIRCUIT NO SIGNAL |
| P0719 | BRAKE SWITCH CIRCUIT LOW INPUT (SWITCH STUCK ON) |
| P0722 | OUTPUT SPEED SENSOR (OSS) LOW INPUT |
| P0723 | OUTPUT SPEED SENSOR (OSS) INTERMITTENT |
| P0724 | BRAKE SWITCH CIRCUIT HIGH INPUT (SWITCH STUCK OFF) |
| P0741 | TCC STUCK OFF |
| P0742 | TCC STUCK ON |
| P0748 | PRESSURE CONTROL SOLENOID ELECTRICAL MALFUNCTION |
| P0751 | 1-2 SHIFT SOLENOID ("A") PERFORMANCE MALFUNCTION |
| P0753 | 1-2 SHIFT SOLENOID ("A") ELECTRICAL MALFUNCTION |
| P0756 | 2-3 SHIFT SOLENOID ("B") PERFORMANCE MALFUNCTION |
| P0758 | 2-3 SHIFT SOLENOID ("B") ELECTRICAL MALFUNCTION |
| P1810 | TRANSMISSION FLUID PRESSURE (TFP) POSITION SWITCH ASSEMBLY MALFUNCTION |
| P1811 | MAXIMUM ADAPT & LONG SHIFT |
| P1812 | TRANSMISSION FLUID OVERTEMP |
| P1860 | TCC PWM SOLENOID ELECTRICAL MALFUNCTION |
| P1870 | TRANSMISSION COMPONENT SLIPPING |
| P1871 | UNDEFINED GEAR RATIO |
| P1875 | 4WD LOW CIRCUIT MALFUNCTION |
RENDER: 1.0x
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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.