B10B6–CABIN HEATER 1 CONTROL CIRCUIT OPEN (TIPM)





For a complete wiring diagram Refer to Section 8W


  • When Monitored:

    With the ignition on, and the Cabin Heater Relay 1 commanded on.

  • Set Condition:

    If the Totally Integrated Power Module (TIPM) detects that the (K132) Cabin Heater Relay 1 Control circuit is open.


Possible Causes
  
(K132) CABIN HEATER RELAY 1 OUTPUT CIRCUIT OPEN
  
CABIN HEATER RELAY 1
  
TOTALLY INTEGRATED POWER MODULE (TIPM)
  



Diagnostic Test

1.VERIFY THAT THE DTC IS ACTIVE







Does the scan tool display active: B10B6–CABIN HEATER 1 CONTROL CIRCUIT OPEN?

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.

2.CHECK (K132) CABIN HEATER RELAY 1 CONTROL CIRCUIT FOR AN OPEN








Does the ohm meter read open circuit?

Yes


No
  • Go To3

3.TOTALLY INTEGRATED POWER MODULE








Does the scan tool display active: B10B6–CABIN HEATER 1 CONTROL CIRCUIT OPEN?

Yes


No