Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The DTC will be current for as long as the fault is present.
When the fault is no longer present the DTC will be a history status code.
The history DTC will be cleared after 100 error free ignition cycles, or by using the scan tool clearing DTCs feature.

DTC B3941

Step	Action	Yes	No
Schematic Reference: Driver Seat Schematics , Passenger Seat Schematics Connector End View Reference: Power Seat Systems Connector End Views
1	Did you perform the Power Seat Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Power Seat Systems
2	Verify the condition is present. Does the system operate normally?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Disconnect the driver seat module (DSM) connectors containing the voltage supply and control circuits to the seat heater elements. Using a DMM test for continuity to ground at the heater element supply circuit terminals in the harness connectors. Refer to Circuit Testing in Wiring Systems. Is continuity to ground present on any of the heater element supply circuits?	Go to Step 4	Go to Step 6
4	Disconnect the affected seat heater element connector. Test the heater element voltage supply circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 9	Go to Step 5
5	Inspect for poor connections at the seat heater element harness connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 9	Go to Step 7
6	Inspect for poor connections at the DSM harness connectors. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 9	Go to Step 8
7	Replace the seat heater element. Refer to Seat Back Heater Element Replacement - Front or Seat Cushion Heater Element Replacement - Front . Did you complete the replacement?	Go to Step 9	-
8	Replace the DSM. Refer to Memory Seat Control Module Replacement . Did you complete the replacement?	Go to Step 9	-
9	Use the scan tool in order to clear the DTCs. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text. Does the DTC reset?	Go to Step 2	System OK