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.
2001 Chrysler PT Cruiser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Self-Diagnostic System
NOTE:
Self-diagnostic tests are written specifically for Chrysler's Diagnostic Readout Box (DRBIII®) scan tool. A generic scan tool may not be capable of performing all necessary test functions.
- Perform pretest inspection. See PRETEST INSPECTION in TROUBLE SHOOTING. If pretest inspection procedure has been performed, go to next step.
- Turn ignition off. Connect scan tool to Data Link Connector (DLC). DLC is located on bottom of instrument panel, to left of brake pedal. See Figure. Turn ignition on. Using scan tool, attempt to communicate with all modules. If communication is established with all modules, go to next step. If communication is not established with any module, perform appropriate test under COMMUNICATIONS under SYSTEM TESTS.
- Using scan tool, retrieve Diagnostic Trouble Codes (DTC) from all modules. If any DTCs exist, perform corresponding DTC test(s) in affected system in SYSTEM TESTS . See DIAGNOSTIC TROUBLE CODE IDENTIFICATION table. If no DTCs exist, repair by corresponding symptom test(s) in affected system in SYSTEM TESTS . See SYMPTOM IDENTIFICATION table.
NOTE:
Scan tool messages are listed by system affected, not by reporting module. Perform appropriate test under appropriate section under SYSTEM TESTS .
DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| Affected System | (1) DTC | ||||
|---|---|---|---|---|---|
| Air Bag | (2) | ||||
| Instrument Cluster | ABS MESSAGES NOT RECEIVED BY EMIC | ||||
| ORC MESSAGES NOT RECEIVED BY EMIC | |||||
| EEPROM CHECK SUM FAILURE | |||||
| FUEL LEVEL SENSOR OPEN | |||||
| FUEL LEVEL SENSOR SHORT | |||||
| PANEL DIMMER OPEN | |||||
| PANEL DIMMER SHORT | |||||
| SBEC MESSAGES NOT RECEIVED BY EMIC | |||||
| SKIM MESSAGE NOT RECEIVED BY EMIC | |||||
| Power Door Locks/RKE | BODY CODE MISMATCH | ||||
| NO AIRBAG MESSAGES RECEIVED | |||||
| Vehicle Theft Security System (VTSS) | HOOD AJAR SWITCH MISSING | ||||
| P/N MISMATCH | |||||
| VTSS PREVIOUSLY ENABLED | |||||
|
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SYMPTOM IDENTIFICATION
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.