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.
2002 Chrysler PT Cruiser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Body Control Modules
- Description
- Operation
- Anti-Lock Brake System (Abs) Control Module
- Data Link Connector (DLC)
- Electro-Mechanical Instrument Cluster (EMIC)
- Occupant Restraint Controller (Orc)
- Powertrain Control Module (Pcm)
- Programmable Communication Interface (PCI) Bus Circuit
- Radio
- Remote Keyless Entry Module
- Sentry Key Immobilizer Module (Skim)
- Side Impact Airbag Control Module (SIACM)
- Vehicle Theft Security System Module
- Component Locations
- Programming
- Trouble Shooting
- Self-Diagnostic System
- System Tests
- Communications
- Notes
- Bus +/- Signals Open Or No Response From Instrument Cluster
- Bus +/- Signals Open Or No Response From RKE
- Bus +/- Signal Open Or No Response From SKIM
- No Response From ACM
- No Response From CAB
- No Response From ECM (PCI Bus) Diesel Only
- No Response From ECM (SCI Only) Diesel Only
- Checking PCM Power & Ground Circuits
- No Response From Left SIACM
- No Response From PCM (PCI Bus)
- No Response From PCM (SCI Only)
- No Response From Radio
- No Response From Right SIACM
- No Response From TCM
- PCI Bus Communication Failure
- Instrument Cluster
- Notes
- ABS Indicator Circuit Open
- ABS Message Not Received
- EATX Message Mismatch
- EEPROM CHECKSUM Failure
- Fuel Level Sensor Open
- Fuel Level Sensor Short
- Fuel Level Sensor Stuck
- Panel Dimmer Open
- Panel Dimmer Shorted
- All Gauges Inoperative
- Any PCI Bus Indicator Inoperative
- Brake Warning Indicator Always On
- Brake Warning Indicator Inoperative
- Front Fog Lamp Indicator Inoperative
- Fuel Gauge Inaccurate
- High Beam Indicator Inoperative
- Instrument Cluster Dimming Inoperative
- Low Oil Pressure Indicator Always On
- Low Oil Pressure Indicator Inoperative
- One Gauge Inoperative
- PRND Or Autostick Display Inoperative Or Inaccurate
- Rear Fog Lamp Indicator Inoperative (BUX Only)
- Seat Belt Indicator Not Operating Properly
- VF Display Inoperative
- Interior Lighting
- Overhead Console
- Power Door Locks/RKE
- Notes
- Body Style Mismatch
- Incorrect Module Type Configuration For Part Number
- Left Door Switch Shorted Or Stuck
- Module Not Configured For RKE
- No Airbag Messages Received
- No PCM Messages Received
- No SKIM Messages Received
- Right Door Or Liftgate Switch Shorted Or Stuck
- All Doors (Except Driver) Fail To Lock
- All Doors (Except Driver) Fail To Lock & Unlock
- All Doors (Except Driver) Fail To Unlock
- All Door Locks Inoperative
- All Doors Fail To Lock
- All Doors Fail To Unlock
- All Locks Inoperative From One Lock Switch
- Doors Lockable With Key In Ignition & Driver Door Open
- Driver Door Fails To Lock
- Driver Door Fails To Lock & Unlock
- Driver Door Fails To Unlock
- Liftgate Lock Motor To Lock Or Unlock
- One Passenger Door Fails To Lock & Unlock
- RKE Inoperative
- Vehicle Theft Security System (VTSS)
- Notes
- Hood Ajar Switch Missing (Export Only)
- Module Previously Configured For VTSS
- Headlamps Fail To Flash During Alarm
- Horn Fails To Sound During Alarm
- Intrusion Sensor Cannot Be Disabled (Export Only)
- Intrusion Sensor Fails To Trip VTSS (Export Only)
- Intrusion Sensor Repeatedly Triggers VTSS (Export Only)
- Open Driver Door Fails To Trip Alarm
- Open Liftgate Fails To Trip Alarm
- Open Passenger Door Fails To Trip Alarm
- Park Lamps Fail To Flash During Alarm
- VTSS Fails To Arm From Left Door Cylinder Lock Switch (Export Only)
- VTSS Fails To Arm From Liftgate Cylinder Lock Switch (Export Only)
- VTSS Fails To Arm From Right Door Cylinder Lock Switch (Export Only)
- VTSS Indicator Fails To Flash
- VTSS Indicator Stays On Steady During Arming
- VTSS Siren Inoperative (Export Only)
- Communications
- Verification Tests
- Removal & Installation
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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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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