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Home >> Cadillac >> 2004 >> Seville >> Repair and Diagnosis >> Body & Frame >> Seats >> Seat System >> Diagnostic Information and Procedures >> DTC B3793: Memory Seat Module Over Current >> Test Description
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 3:  This test determines if the suspect motor has an internal short to ground.
  2. 9:  This test verifies the repair.
DTC B3793

Step Action Yes No
Schematic Reference: Driver Seat Schematics  
Connector End View Reference: Power Seat Systems Connector End Views  
1 Did you perform the Diagnostic System Check-Power Seat Systems? Go to Step 2  Go to Diagnostic System Check - Power Seat Systems 
2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Current Diagnostic Trouble Codes in the Memory Seat Module Diagnostic Trouble Codes list.
  4. Operate the seat switch in both directions for each directional motor.
Did the scan tool display DTC B3793 for any of the seat directional motors?
Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
  1. Disconnect the suspect motor harness connector.
  2. With a scan tool, observe the Current Diagnostic Trouble Codes.
  3. Operate the suspect motor switch in both directions.
Does the scan tool display DTC B3793?
Go to Step 4  Go to Step 5 
4 Test the motor control circuits of the suspect motor 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 6 
5 Inspect for poor connections at the harness connector of the suspect seat motor. 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 harness connector of the memory seat module. 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 suspect seat motor. Refer to Seat Adjuster Motor Replacement , Power Recliner Motor Replacement - Front Seat , Head Restraint Motor Replacement - Front Seat  or Lumbar Replacement - Front Seat (AL2) .
Did you complete the replacement?
Go to Step 9  -
8 Replace the memory seat module. Refer to Memory Seat Control Module Replacement .
Did you complete the replacement?
Go to Step 9  -
  1. Clear the DTCs using the scan tool.
  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