B1670–RIGHT TRAILER TOW LAMP CONTROL CIRCUIT HIGH

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    Continuously

  • Set Condition:

    The Totally Integrated Power Module (TIPM) Detects a HIGH condition.


Possible Causes
  
(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT OPEN
  
(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
  
TOTALLY INTEGRATED POWER MODULE
  



Diagnostic Test

1.TEST FOR INTERMITTENT CONDITION






Does the scan tool display active: B1670-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT HIGH?

Yes
  • Go To 2


No
  • The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
  • Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

2.(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT OPEN






Does the ohm meter read open circuit?

Yes


No
  • Go To 3

3.(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE




Is there any voltage present?

Yes


No