Section 91 (Body Control Computer)
WARNING: This page is about a different car, the 1998 Dodge Intrepid and 1998 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
- Identification
- Description
- Operation
- Self-Diagnostic System
- Diagnostic Procedure
- Connector Identification
- Body Control Tests
- Notes
- System Id Test 1A - Identifying Vehicle Equipment & System Problems
- System Id Test 1B - Identifying Diagnostic Trouble Codes
- Chime Test 1A - Diagnosing Chime System
- Chime Test 2A - Chime Inoperative At All Times
- Chime Test 3A - Chime Inoperative With External Lamps On
- Chime Test 4A - Chime Inoperative With Seat Belt Unfastened
- Chime Test 4B - Open Seat Belt Switch Circuit
- Chime Test 4C - Open Seat Belt Switch Circuit
- Chime Test 5A - Chime Inoperative With Key In Ignition
- Chime Test 6A - Inoperative Chime Beep Request
- Door Ajar Test 1A - Identifying Door Ajar Problems
- Door Ajar Test 2A - Open Driver's Door Ajar Circuit
- Door Ajar Test 3A - Shorted Left Rear Door Ajar Circuit
- Door Ajar Test 4A - Open Left Rear Door Ajar Circuit
- Door Ajar Test 5A - Shorted Door Ajar Circuit
- Door Ajar Test 5B - Shorted Right Front Door Ajar Circuit
- Door Ajar Test 5C - Shorted Right Rear Door Ajar Circuit
- Door Ajar Test 6A - Open Right Front Door Ajar Circuit
- Door Ajar Test 7A - Open Right Rear Door Ajar Circuit
- Exterior Light Test 1A - Identifying Exterior Lighting System Problems
- Exterior Light Test 2A - Headlight Switch Input Failure
- Exterior Light Test 2B - Headlight Switch Input Failure
- Exterior Light Test 3A - Low Beam Headlights Will Not Turn On
- Exterior Light Test 3B - Low Beam Headlights Will Not Turn On
- Exterior Light Test 3C - Low Beam Headlights Will Not Turn On
- Exterior Light Test 4A - Low Beam Headlights Will Not Turn Off
- Exterior Light Test 5A - Parking Lights Will Not Turn On
- Exterior Light Test 6A - Parking Lights Will Not Turn Off
- Exterior Light Test 7A - High Beam Headlights Will Not Turn On
- Exterior Light Test 8A - High Beam Headlights Will Not Turn Off
- Exterior Light Test 9A - Fog Lights Will Not Turn On
- Exterior Light Test 10A - Fog Lights Will Not Turn Off
- Exterior Light Test 11A - Headlight Time Delay
- Instrument Cluster Test 1A - Identifying Instrument Cluster System Problems
- Instrument Cluster Test 2A - Fuel Level Sending Unit Failure
- Instrument Cluster Test 3A - Dimming Level Switch Failure
- Instrument Cluster Test 4A - All Gauges Not Operating Correctly
- Instrument Cluster Test 4B - All Gauges Not Operating Correctly
- Instrument Cluster Test 5A - Identifying Inoperative Gauge
- Instrument Cluster Test 6A - Odometer Malfunctioning
- Instrument Cluster Test 7A - Identifying Warning Light Malfunction
- Instrument Cluster Test 7B - Instrument Cluster Printed Circuit Board Warning Light Malfunction
- Instrument Cluster Test 8A - PRND3L Light Malfunctioning
- Instrument Cluster Test 9A - Instrument Cluster And Panel Illumination Malfunctions
- Instrument Cluster Test 9B - Instrument Cluster Illumination Shorted To Battery
- Instrument Cluster Test 9C - Instrument Cluster Illumination Shorted To Battery Voltage
- Instrument Cluster Test 10A - Malfunctioning Gauge
- Instrument Cluster Test 11A - Temperature Gauge Led Malfunction
- Instrument Cluster Test 12A - Fuel Gauge Led Malfunction
- Instrument Cluster Test 12B - Inaccurate Fuel Gauge
- Instrument Cluster Test 12C - Fuel Gauge/Led Faulty Operation
- Instrument Cluster Test 12D - Fuel Gauge/Led Faulty Operation
- Instrument Cluster Test 12E - Fuel Level Voltage Below One Volt
- Instrument Cluster Test 13A - Speedometer Malfunction
- Instrument Cluster Test 14A - Communication Failure With Transmission Control Module
- Instrument Cluster Test 15A - Oil Pressure Switch Sense Circuit Short To Ground
- Instrument Cluster Test 15B - Oil Pressure Switch Sense Open Circuit
- Instrument Cluster Test 16A - Seat Belt Switch Circuit Short To Ground
- Instrument Cluster Test 17A - Parking Brake Warning Light Malfunction
- Instrument Cluster Test 17B - Brake Fluid Level Switch Open Circuit
- Instrument Cluster Test 17C - Parking Brake Switch Open Circuit
- Instrument Cluster Test 17D - Parking Brake Switch Circuit Short To Ground
- Instrument Cluster Test 18A - Parking Brake Switch Circuit Short To Ground
- Instrument Cluster Test 18B - Low Washer Fluid Indicator Open Circuit
- Instrument Cluster Test 19A - Door Ajar Indicator Circuit Malfunction
- Instrument Cluster Test 20A - Parking Brake Warning Light Malfunction
- Interior Light Test 1A - Identifying Interior Light System Malfunctions
- Interior Light Test 2A - Courtesy Light Output Short To Battery
- Interior Light Test 3A - Courtesy Lights Inoperative From All Doors & Courtesy Light Switch
- Interior Light Test 3B - Courtesy Lights Inoperative From All Doors & Courtesy Light Switch
- Interior Light Test 4A - Inoperative Courtesy Lights
- Interior Light Test 5A - Courtesy Lights Remain On
- Interior Light Test 6A - Inoperative Courtesy Light Switch
- OTIS Test 1A - Identifying Overhead Travel Information System (OTIS) Malfunctions
- OTIS TEST 2A - OTIS DISPLAYING "SC" Or "OC"
- OTIS Test 3A - Incorrect Ambient Temperature Reading
- OTIS Test 3B - Incorrect Ambient Temperature Reading
- OTIS Test 4A - OTIS Mileage And Distance Function Malfunction
- OTIS Test 5A - Repairing OTIS Switches
- Power Door Lock Test 1A - Identifying Power Door Lock Problems
- Power Door Lock Test 2A - All Doors Fail To Lock/Unlock From Any Switch
- Power Door Lock Test 2B - All Doors Fail To Lock/Unlock From Any Switch
- Power Door Lock Test 2C - All Doors Fail To Lock/Unlock From Any Switch
- Power Door Lock Test 3A - One Door Fails To Lock/Unlock From Any Switch
- Power Door Lock Test 4A - All Doors Fail To Lock/Unlock From One Switch
- Power Door Lock Test 5A - All Doors Fail To Lock From Any Switch
- Power Door Lock Test 6A - Driver's Door Fails To Lock From Any Switch
- Power Door Lock Test 7A - All Doors Fail To Unlock From Any Switch
- Power Door Lock Test 8A - Driver's Door Fails To Unlock From Any Switch
- Power Door Lock Test 9A - Door Lock Inhibit Malfunction
- Power Door Lock Test 10A - Automatic Rolling Door Lock Malfunction
- Power Door Lock Test 11A - Remote Keyless Entry (RKE) Malfunction
- Power Door Lock Test 11B - RKE Transmitter PROGRAMING
- Power Door Lock Test 11C - Inoperative Horn Chirp
- Power Door Lock Test 12A - Inoperative DECKLID Release
- Power Door Lock Test 13A - Left Central Lock/Unlock Switch Failure
- Power Door Lock Test 14A - Left Central Lock/Unlock Switch Failure
- Power Door Lock Test 15A - RKE Unable To Enter Program Mode
- Power Door Lock Test 16A - RKE Program Mode Entered Without Program Request
- Power Door Lock Test 17A - DECKLID Release Switch Failure
- Power Door Lock Test 18A - DECKLID Release Motor Output Failure
- VTSS Test 1A - Identifying Vehicle Theft Security System Problems
- VTSS Test 2A - Disarming VTSS System
- VTSS Test 3A - VTSS Indicator Light On Constantly
- VTSS Test 4A - Horn Circuit Malfunction
- VTSS Test 5A - VTSS Indicator Light Driver Malfunction
- Windshield Wiper Test 1A - Identifying Windshield Wiper System Problems
- Windshield Wiper Test 2A - Identifying Windshield Wiper System Problems
- Windshield Wiper Test 3A - Wiper Park Switch Failure
- Windshield Wiper Test 4A - Wiper On/Off Relay Control Circuit Shorted High
- Windshield Wiper Test 5A - Wipers Not Operating
- Windshield Wiper Test 5B - Wipers Not Operating
- Windshield Wiper Test 5C - Wipers Not Operating
- Windshield Wiper Test 5D - Wipers Not Operating
- Windshield Wiper Test 5E - Wipers Not Operating
- Windshield Wiper Test 6A - Wipers Not Operating In High Speed Mode
- Windshield Wiper Test 7A - Wipers Not Operating In Low Speed Mode
- Windshield Wiper Test 8A - Wipers Not Operating In Intermittent Speed Mode
- Windshield Wiper Test 9A - Wiper Wash Function Not Operating
- Windshield Wiper Test 10A - Wipers Operate In High Speed Only
- Windshield Wiper Test 11A - Wipers Operate In With Switch In Off Position
- Verification Test VER-1A - Body Verification Test
- Verification Test VER-2A - VTSS Verification Test
- Vehicle Communications
- Test 1A - Identifying Vehicle Communication Problems
- Test 2A - No Response From Air Bag Control Module
- Test 2B - No Response From Air Bag Control Module
- Test 3A - No Response From Automatic Temperature Control (ATC) Module
- Test 4A - No Response From Body Control Module
- Test 5A - No Response From Anti-Lock Brake Controller Module
- Test 5B - No Response From Anti-Lock Brake Controller Module
- Test 6A - No Response From Mechanical Instrument Cluster (Mic)
- Test 7A - No Response From OTIS Module
- Test 8A - No Response From Powertrain Control Module
- Test 9A - No Response From Radio
- Test 9B - No Response From Radio
- Test 10A - No Response From Transmission Control Module
- Test 11A - Bus Short To Battery
- Test 12A - Bus Short To Ground
- Test 13A - Odometer No Bus Message
- Test 13B - Odometer No Bus Message
- Test 13C - Odometer No Bus Message
- Test 14A - No Fused Ignition Switch Output To BCM
- Wiring Diagrams