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.
Verification Test
1999 Chrysler LHSSECTION Verification Test
- Reconnect all previously disconnected components and wiring. If Body Control Module (BCM) has not been replaced, go to next step. If BCM has been replaced, use DRB (scan tool) to program all Remote Keyless Entry (RKE) transmitters, recalibrate ATC system doors, and program other options as necessary.
- If ATC system has been repaired or battery has been disconnected, ATC door actuators must be calibrated. Start engine and use scan tool to calibrate door actuators. DO NOT allow vehicle to move during door actuator calibration. Turn engine off and go to next step.
- Turn ignition on. Using scan tool, erase Diagnostic Trouble Codes (DTCs). Turn ignition off and wait at least 5 seconds. Turn ignition on (engine off) and fully operate repaired system to verify correct operation. If system operates properly, go to next step. If system does not operate properly, go to TEST 1A: IDENTIFYING ATC SYSTEM PROBLEMS .
- If A/C-heater system operates properly, use scan tool to check for other BCM DTCs. If any BCM DTCs are present, go to TEST 1B: IDENTIFYING ATC SYSTEM BCM DIAGNOSTIC TROUBLE CODES . If no BCM DTCs are present and original DTC cannot be duplicated, repair is complete.
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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.