GM Service Manual Online
For 1990-2009 cars only

Diagnostic Instructions

    • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    • Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    •  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B3607 4B: Pedals Softstops Not Programmed

Circuit/System Description

After replacement of adjustable pedal mechanical components or if the memory seat module is reprogrammed or replaced, the adjustable pedals softstop positions must be learned.

Conditions for Running the DTC

The memory seat module must be powered.

Conditions for Setting the DTC

This DTC will set if the pedals actuator softstops are not learned.

Action Taken When the DTC Sets

Manual and memory adjustable pedals operation will be disabled.

Conditions for Clearing the DTC

    • The current DTC will clear and set the code to history, 3 seconds after the fault is no longer present and the power mode changes to OFF then back to ACC or RUN.
    • The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.

Diagnostic Aids

The Memory Seat Module (MSM) may be referenced as the Driver Position Module.

Reference Information

Schematic Reference

Adjustable Pedal Schematics

Connector End View Reference

Adjustable Pedal Connector End Views

Electrical Information Reference

    •  Circuit Testing
    •  Connector Repairs
    •  Testing for Intermittent Conditions and Poor Connections
    •  Wiring Repairs

Scan Tool Reference

    •  Scan Tool Output Controls
    •  Scan Tool Data List
    •  Scan Tool Data Definitions

Circuit/System Verification

Ignition ON, observe the scan tool Pedals Softstop Learn Status parameter. The parameter reading should be Learned.

Circuit/System Testing

  1. Ignition ON, verify that no other adjustable pedal DTCs are set.
  2. If other adjustable pedal DTCs are set, diagnosis those DTCs first.
  3. Ignition ON, perform the scan tool Learn Pedals Softstops procedure. Refer to Adjustable Pedal System Calibration . The scan tool Pedals Softstop Learn Status parameter should be Learned.
  4. If not the specified value, test the adjustable pedals manual operation. If the pedals manual operation is normal, replace the memory seat module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

    •  Brake and Accelerator Pedal Adjuster Switch Replacement
    •  Control Module References for the memory seat module replacement and setup procedures