B10BB

B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Ignition on.

- Set Condition:
This code is set when the Cluster detects a heated seat switch input longer than ten seconds.





Diagnostic Test

1. VERIFY THAT DTC B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK 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 B10BB LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK 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.Body Verification Test

2. HEATED SEAT SWITCH
With the scan tool, record and erase DTC's
Disconnect the Lower Switch Bank.
Cycle the ignition switch off then back on.
With the scan tool, read DTC's.
Does the DTC B10BB LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK reset?

Yes

- Go To 3

No

- Replace the Lower Switch Bank.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

3. CHECK THE (D500) LIN BUS CIRCUIT FOR A PARTIAL SHORT TO GROUND
Disconnect the Cluster C1 connector.
Measure the resistance between ground and the (D500) LIN BUS circuit.
Was the resistance below 10k ohms?

Yes

- Repair the (D500) LIN BUS circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Replace the Cluster.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test