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 Neon LE, AutomaticFACTORY OEM SERVICE PROCEDURE
Body Control Modules
- Description
- Operation
- Occupant Restraint Controller
- Anti-Lock Brake System Control Module
- Audio System
- Data Link Connector
- Electro-Mechanical Instrument Cluster Module
- Powertrain Control Module
- Programmable Communication Interface Bus Circuit
- Remote Keyless Entry Module
- Sentry Key Immobilizer Module
- Side Air Bag Control Module
- Vehicle Theft Security System Module
- Component Locations
- Programming
- Trouble Shooting
- Self-Diagnostic System
- System Tests
- Notes
- Communications
- Notes
- Possible Causes
- Bus +/- Signals Open From Compass/Temperature Mirror
- Bus +/- Signal 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 ORC
- No Response From CAB
- No Response From Left SIACM
- No Response From PCM (PCI Bus)
- No Response From PCM (SCI Only)
- Checking PCM Power & Ground Circuits
- No Response From Radio
- No Response From Right SIACM
- Complete PCI Bus Failure
- Exterior Lighting
- Instrument Cluster
- Notes
- ABS Indicator Circuit Open
- ABS Message Not Received
- Battery Loss
- Cluster Bus TX Shutdown
- EATX Mismatch
- Fuel Level Sensor Open
- Fuel Level Sensor Short
- Panel Dimmer Open
- All Gauges Inoperative
- Any PCI Bus Indicator Inoperative
- Brake Warning Indicator Always On
- Brake Warning Indicator Inoperative
- Foglight Indicator Inoperative
- Fuel Gauge Inaccurate
- High Beam Indicator Inoperative
- Cluster Illumination Inoperative
- Low Oil Pressure Indicator Always On
- Low Oil Pressure Indicator Inoperative
- One Gauge Inoperative
- PRND Or Autostick Indicator Display Inaccurate Or Inoperative
- Rear Fog Lamp Indicator Inoperative (BUX Only)
- Seatbelt Indicator Inoperative
- VF Display Inoperative
- Interior Lighting
- Overhead Console
- Power Door Locks/Remote Keyless Entry
- Notes
- Body Style Mismatch
- Driver Door Switch Shorted Or Stuck
- Incorrect Module Type Configuration For Part Number
- Interior Decklid Release Switch Shorted Or Stuck
- Module Not Configured For RKE
- No Airbag Messages Recieved
- No PCM Messages Recieved
- No SKIM Messages Recieved
- Passenger Door Switch Shorted Or Stuck (BUX)
- Passenger Door Switch Shorted Or Stuck (Non BUX)
- All Door Locks Inoperative
- All Doors (Except Drivers) Fail To Lock & Unlock
- All Doors (Except Drivers) Fail To Unlock
- All Doors Fail To Lock
- All Locks Inoperative From A Lock Switch
- Automatic Door Lock Inoperative
- Deck Lid Solenoid Inoperative
- Door's Lockable With Key In Ignition & Driver's Door Open
- Drivers Door Fails To Lock & Unlock
- Driver's Door Fails To Unlock
- One Passenger's Door Fails To Lock & Unlock
- RKE Transmitter Inoperative
- Vehicle Theft Security System
- Notes
- Hood Ajar Switch Missing (BUX Only)
- VTSS Previously Enabled
- Headlights Fail To Flash During Alarm
- Horn Fails To Sound During Alarm
- Open Drivers Door Fails To Trip Alarm
- Open Passengers Door Fails To Trip Alarm
- Parking Lights Fail To Flash During Alarm
- VTSS Fails To Arm/Disarm From Drivers Cylinder Lock Switch
- VTSS Fails To Arm/Disarm From Passengers Door Cylinder Lock Switch
- VTSS Indicator Fails To Flash
- VTSS Indicator Stays On Steady During Arming
- 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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