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.
2003 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Automatic Transmission Shift Lock Control Component Views
| Callout | Component Name |
|---|---|
| 1 | Steering Column |
| 2 | A/T Shift Lock Control Solenoid (w/o D55) |
| 3 | Fuse Block-SEO (9C1/9C3) |
| 4 | Circuit Breaker #1, #2, #3 (9C1/9C3) |
| Callout | Component Name |
|---|---|
| 1 | Cigar Lighter |
| 2 | Heated Seat Switch-Driver (Monte Carlo) Connector |
| 3 | Heated Seat Switch-Front Passenger (Monte Carlo) Connector |
| 4 | C317 |
| 5 | C315 |
| 6 | Auxiliary Power Outlet |
| 7 | Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector |
| 8 | C312 |
| 9 | Inflatable Restraint Side Impact Module-LF Connector |
| 10 | C311 |
| 11 | A/T Shift Lock Control Solenoid |
Factory Service Tools
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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.
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