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 MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 91 (MEMORY SYSTEM)SYSTEM TESTSPARALLEL PARKING ASSIST MODE INOPERATIVE
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F
Parallel Parking Assist Mode Inoperative
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Parallel Parking Assist Mode Inoperative
WARNING: This page is about a different car, the 1998 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After repair or component replacement is completed, go to appropriate MEMORY SYSTEM CHECK under TROUBLE SHOOTING
to verify system is functioning properly.
- Perform POWER MIRROR MEMORY SYSTEM CHECK under TROUBLE SHOOTING. Go to next step.
- Disconnect Park/Neutral Position (PNP) switch connector. Connect fused jumper wire between PNP switch harness connector terminals "B" (Pink wire) and "F" (Light Green wire). Turn ignition switch to RUN position. If right mirror moves down, go to step 5). If right mirror does not move down, go to next step.
- Remove fused jumper wire. Disconnect memory seat/mirror module Blue, 32-pin connector C1. Using DVOM, check resistance between PNP switch harness connector terminal "F" (Light Green wire) and memory seat/mirror module harness connector C1, terminal D13 (Light Green wire). See Figure . If resistance is 5 ohms or less, go to next step. If resistance is more than 5 ohms, go to step 6).
- Replace memory seat/mirror module. See MEMORY SEAT/MIRROR MODULE under REMOVAL & INSTALLATION.
- Replace PNP switch.
- Repair open in Light Green wire between PNP switch and memory seat/mirror module connector.
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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.