Section 28 (Body Computer Module)
WARNING: This page is about a different car, the 1989 Cadillac Allante. However, it is still accessible from the selected car via links, so may be relevant.
- Description & Operation
- Component Locations
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- DTC B119: Twilight Photocell Circuit
- DTC B120: Twilight Delay Switch Pot Circuit
- DTC B120 & B122: Twilight Delay & Panel Dimming
- DTC B124: Vehicle Speed Sensor (VSS) Circuit Problem
- DTC E047, B334-B337: Serial Data Circuit Multiple Intermittent Data Codes
- DTC B334: Loss Of ECM Data
- DTC B335: Loss Of CCDIC Serial Data
- DTC B336: Loss Of IPC Serial Data
- DTC B337: Loss Of HVAC Programmer Data
- DTC B420: BCM Output Driver No. 1 Failure
- DTC B421: BCM Output Driver No. 2 Failure
- DTC B481: Anti-Lock Fault
- DTC B552: Keep Alive Memory Error
- DTC B556: Odometer (Ee) Prom Error
- DTC L010: Redundant TAILLAMP Relay Failure
- DTC L011: Redundant Headlamp Relay Failure
- DTC L110: Left Switch Pod (LSP) Communication Failure
- DTC L202: OSM No. 2 Communications Problem
- DTC L203: OSM No. 3 Communication Problem
- DTC L204: OSM No. 4 Communications Problem
- DTC L205: OSM No. 5 Communications Problem
- DTC L206: OSM No. 6 Communications Problem
- DTC L207: OSM No. 7 Communications Problem
- DTC L208: OSM No. 13 Communications Problem
- DTC L209: OSM No. 9 Communications Problem
- DTC L210: OSM No. 10 Communications Problem
- All 300 "L" Series DTCS
- DTC L411: Data Circuit Voltage Low
- System Tests
- Removal & Installation
- Wiring Diagrams