Symptom Troubleshooting Chart - Powertrain Control Module (Pcm)
SYMPTOM TROUBLESHOOTING CHART - POWERTRAIN CONTROL MODULE (PCM)
| Problem |
Possible Cause |
Action |
- The module does not respond to the WDS or equivalent tester powertrain control module (PCM)
|
- Circuit or connection is standard corporate protocol (SCP) network
- Powertrain control module (PCM)
|
- See
PINPOINT TEST 1: NO MODULE/NETWORK COMMUNICATION SCP LINK
.
|
- No module/network communication.
|
- Data link connector (DLC)
- Fuse
- Circuitry
- WDS or equivalent tester
|
- Check WDS or equivalent tester.
- Check data link connector (DLC).
- Check voltage to the WDS or equivalent tester.
|