B166D-LEFT TRAILER TOW LAMP CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
- With the Trailer Tow Lamps activated.
- Set Condition:
- When the FCM detects a OPEN condition.
| Possible Causes |
| INTEGRATED POWER MODULE |
Diagnostic Test
1.INTEGRATED POWER MODULEDoes the Scan Tool read: B166D-LEFT TRAILER TOW LAMP CONTROL CIRCUIT OPEN?
Yes
- Replace the Integrated Power Module in accordance with the service information.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Test complete.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)