B1085-LEFT HEATED SEAT SWITCH INPUT CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
Ignition on.
- Set Condition:
This code is set when the Cluster detects the heated seat switch sense circuit is shorted low.
| Possible Causes |
| (P365) LEFT HEATED SEAT SWITCH SENSE SHORTED TO GROUND |
| LOWER SWITCH BANK |
| CLUSTER |
Diagnostic Test
1. VERIFY THAT DTC B1085-LEFT HEATED SEAT SWITCH INPUT CIRCUIT LOW IS ACTIVEWith 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. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. 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. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
3. 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. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Cluster.
- Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)