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 Chrysler PT Cruiser L4-2.4L VIN BFACTORY OEM SERVICE PROCEDURE
Body Control Module
Service Precautions
Description and Operation
Testing and Inspection- Symptom Related Diagnostic Procedures
- Air Bag System
- Audio System
- AM/FM Switch Inoperative
- Any Station Preset Switch Inoperative
- Balance Inoperative
- CD Eject Switch Inoperative
- Equalizer Inoperative
- Fader Inoperative
- FF/RW Switch Inoperative
- HOUR/MINUTE Switches Inoperative
- Pause/Play Switch Inoperative
- PWR Switch Inoperative
- Scan Switch Inoperative
- Seek Switch Inoperative
- Set Switch Inoperative
- Tape Eject Switch Inoperative
- Time Switch Inoperative
- Tune Switch Inoperative
- Instrument Cluster
- 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
- All Door Locks Inoperative
- All Doors Except Driver Fail to Lock
- All Doors Except Driver Fail to Lock and Unlock
- All Doors Except Driver Fail to Unlock
- All Doors Fail to Lock
- All Doors Fail to Unlock
- All Locks Inoperative From One Lock Switch
- Doors Lockable With Key In Ignition and Driver Door Open
- Driver Door Fails to Lock
- Driver Door Fails to Lock and Unlock
- Driver Door Fails to Unlock
- Liftgate Lock Motor Fails to Lock or Unlock
- One Passenger Door Fails to Lock and Unlock
- RKE Inoperative
- Vehicle Theft Security System
- Alarm Trips On Its Own
- Headlamps Fail to Flash When Alarm Is Tripped
- Horn Fails to Sound When Alarm Is Tripped
- Intrusion Sensor Cannot Be Disabled
- Intrusion Sensor Fails to Trip VTSS
- Intrusion Sensor Repeatedly Triggers VTSS
- 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
- VTSS Fails to Arm From Liftgate Cylinder Lock Switch
- VTSS Fails to Arm From Right Door Cylinder Lock Switch
- VTSS Fails to Arm/Disarm From Left Door Cylinder Lock Switch
- VTSS Fails to Arm/Disarm From Liftgate Cylinder Lock Switch
- VTSS Fails to Arm/Disarm From Right Door Cylinder Lock Switch
- VTSS Indicator Fails to Flash
- VTSS Indicator Stays On Steady During Arming
- VTSS Siren Inoperative
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Symptom Related Diagnostic Procedures
Diagrams- Diagram Information and Instructions
- How to Find Wiring Diagrams
- How to Navigate Between Wiring Diagrams
- How to Use Wiring Diagrams
- Circuit Functions
- Circuit Information
- Connector Views Information
- Connector, Ground and Splice Identification and Location
- General Wiring Diagram Information
- Section Identification and Information
- Service Procedures
- Special Tools
- Splice Diagrams
- Diagnostic Aids
- Electrical Diagrams
- Diagram Information and Instructions
Tools and Equipment
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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