Diagnostic Test
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- VERIFY THAT DTC B1085-LEFT HEATED SEAT SWITCH INPUT CIRCUIT LOW IS ACTIVE
With the scan tool, record and erase DTC's
Cycle the ignition switch off then back on.
With the scan tool, read DTC's.
Does the DTC B1085 LEFT HEATED SEAT SWITCH INPUT CIRCUIT LOW reset?
- Yes: Go To 2
- No:
The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1 .
- HEATED SEAT SWITCH
With the scan tool, record and erase DTC's
Disconnect the lower switch bank connector.
Cycle the ignition switch off then back on.
With the scan tool, read DTC's.
Does the DTC B1085 LEFT HEATED SEAT SWITCH INPUT CIRCUIT LOW reset?
- Yes: Go To 3
- No:
Replace the lower switch bank.
Perform BODY VERIFICATION TEST - VER 1 .
- CHECK THE (P365) LEFT HEATED SEAT SWITCH SENSE CIRCUIT FOR A SHORT TO GROUND
Disconnect the Cluster C3 connector.
Measure the resistance between ground and the (P365) Left Heated Seat Switch Sense circuit.
Was the resistance below 5.0 ohms?
- Yes:
Repair the (P365) Left Heated Seat Switch Sense circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1 .
- No:
Replace the Cluster.
Perform BODY VERIFICATION TEST - VER 1 .
- Yes:
Repair the (P365) Left Heated Seat Switch Sense circuit for a short to ground.