Vehicle Communication System
- System Tests
- Notes
- Identifying Vehicle Communication Problems
- Battery IOD Disconnect At BCM
- BCM EEPROM Checksum Failure
- BCM Flash Checksum Failure
- BCM J1850 Bus Message Faults - Messages Not Received &/Or Bus +/- Signal Open From BCM
- BCM Matured Fault Present
- DDM Message Not Received &/Or Bus +/- Signals Open From DDM
- Mic Message Not Received By BCM
- Pcm Message Not Received By BCM
- PDM Message Not Received By BCM &/Or Bus +/- Signals Open From PDM
- Bus +/- Signals Open From Electronic Vehicle Information Center
- Bus +/- Signals Open From Instrument Cluster
- Bus +/- Signals Open From Sentry Key Immobilizer Module (Skim)
- Complete PCI Bus Failure
- No Response From ACM
- No Response From Cab Controller
- No Response From Pcm (PCI Bus)
- No Response From Pcm (Sci Bus)
- No Response From TCM
- PCI Bus Short To Battery
- PCI Bus Short To Ground
- Verification Tests
- Programming Blank Smart Key Using Scan Tool