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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Seat Heating And Cooling) >> Diagnostic Information and Procedures >> DTC B3941 >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
DTC B3941

Step Action Yes No
Schematic Reference: Driver Seat Schematics , Passenger Seat Schematics
Connector End View Reference: Power Seat Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Verify the fault is present.
Does the system operate normally?
Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Disconnect the driver seat module connectors containing the voltage supply and control circuits to the seat heater elements.
  2. Using a DMM test for continuity to ground at the heater element supply circuit terminals in the harness connectors. Refer to Circuit Testing .
Is continuity to ground present on any of the heater element supply circuits?
Go to Step 4  Go to Step 6 
4
  1. Disconnect the affected seat heater element connector.
  2. Test the heater element voltage supply circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs .
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 to Connector Repairs .
Did you find and correct the condition?
Go to Step 9  Go to Step 7 
6 Inspect for poor connections at the driver seat module harness connectors. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs .
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 seat module. Refer to Control Module References for replacement, setup and programming.
Did you complete the replacement?
Go to Step 9  -
9
  1. Use the scan tool in order to clear the DTCs.
  2. 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