Right Rear Door Module

B1151 - Right Rear Heated Seat Switch - Stuck






For a complete wiring diagram, refer to.

• When Monitored: With the ignition ON.

• Set Condition: When the right rear Heated Seat switch in the switch bank is held in the on position for over 10 seconds, this code will set.






Test Step 1 - Test for an Intermittent Condition

• Turn the ignition ON.

• With the scan tool, clear all DTCs.

• Operate the right rear heated seat switch several times.

• Cycle the ignition from on to off.

• Turn the ignition ON.

• With the scan tool, check for DTCs.

Does the scan tool display B1151 - Right Rear Heated Seat Switch Stuck?

Yes

• Go to Test Step 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.

• Perform the Body Verification Test. Refer to=> Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Right Rear Heated Seat Switch Signal Circuit Voltage

• Turn the ignition OFF.

• Disconnect the right rear heated seat switch harness connector.

• Turn the ignition ON.

• Measure the voltage of the right rear heated seat switch signal circuit at the right rear heated seat switch harness connector.

Is the voltage more than 4.5 volts?

Yes

• Go to Test Step 3

No

• Go to Test Step 4

Test Step 3 - Ground Circuit Open

• Turn the ignition OFF.

• Using a 12 volt test lamp connected to 12 volts, check the ground circuit at the right rear heated seat switch harness connector.

Does the test lamp illuminate brightly?

Yes

• Replace the right rear heated seat switch.

• Perform the Body Verification Test. Refer to=> Non-DTC Based Diagnostics. Body Interior

No

• Repair the ground circuit for an open.

• Perform the Body Verification Test. Refer to=> Non-DTC Based Diagnostics. Body Interior

Test Step 4 - Right Rear Heated Seat Switch Signal Circuit Open

• Turn the ignition OFF.

• Disconnect the right rear door module C2 harness connector.

• Measure the resistance of the right rear heated seat switch signal circuit between the right rear heated seat switch harness connector and the right rear door module C2 harness connector.

Is the resistance less than 10.0 ohms?

Yes

• Go to Test Step 5

No

• Repair the right rear heated seat switch signal circuit for an open.

• Perform the Body Verification Test. Refer to=> Non-DTC Based Diagnostics. Body Interior

Test Step 5 - Right Rear Heated Seat Switch Signal Circuit Short to Ground

• Measure the resistance between ground and the right rear heated seat switch signal circuit.

Is the resistance more than 10k ohms?

Yes

• Replace the right rear door module.

• Perform the Body Verification Test. Refer to=> Non-DTC Based Diagnostics. Body Interior

No

• Repair the right rear heated seat switch signal circuit for a short to ground.

• Perform the Body Verification Test. Refer to=> Non-DTC Based Diagnostics. Body Interior