FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B10BB






B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK





For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Ignition on.

- Set Condition:
This code is set when the Cluster detects a heated seat switch input for more than 10 seconds.





1. VERIFY THAT DTC B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK IS ACTIVE
1. With the scan tool, record and erase DTCs
2. Cycle the ignition switch off then back on.
3. With the scan tool, read DTCs.

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 the BODY VERIFICATION TEST. Body Verification Test.

2. HEATED SEAT SWITCH
1. With the scan tool, record and erase DTCs
2. Disconnect the Lower Switch Bank.
3. Cycle the ignition switch off then back on.
4. With the scan tool, read DTCs.

Does the DTC B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK reset?

Yes

- Go To 3

No

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

3. CHECK THE (D500) LIN BUS CIRCUIT FOR A PARTIAL SHORT TO GROUND
1. Disconnect the Cluster C1 connector.
2. 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 the BODY VERIFICATION TEST. Body Verification Test.

No

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