Buick Regal Owners & Service Manuals

Buick Regal: DTC B124F

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

DTC Descriptor

Universal Serial Bus (USB) Programming

  • Symptom Byte:41–Not Programmed
  • Symptom Byte:42–Configuration Not Programmed
  • Symptom Byte:44–Security Access Not Activated
  • Symptom Byte:4A–Programming Checksum Error

Circuit/System Description

The control module P16 performs software checks to validate a programming event has completed successfully.No external circuit diagnosis is involved.

Conditions for Running the DTC

Ignition - On / Vehicle - In Service Mode

Conditions for Setting the DTC

P16 Instrument Cluster=Programming Malfunction

Actions Taken When the DTC Sets

DTCs Stored

Some functions will not work.

Conditions for Clearing the DTC

The conditions for setting the DTC no longer exist.

Reference Information

Connector End View Reference

COMPONENT CONNECTOR END VIEW INDEX

Master Electrical Component List

Electrical Information Reference

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

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify DTC B124F is not set.

  • If the DTC is set
  1. Perform all necessary programming and setup procedures for the control module:P16 Instrument Cluster
  2. Verify the DTC does not set.
    • If the DTC sets - Replace the component:P16 Instrument Cluster
    • Go to next step: If the DTC is not set
  3. All OK.
  • Go to next step: If the DTC is not set

3. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification.

For control module replacement, programming, and setup refer to: Control Module References.

    READ NEXT:

     DTC B361A

    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. Diag

     DTC B361B

    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. Diag

     DTC P0071-P0074

    Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strateg

    SEE MORE:

     Symptoms - Rear Differential Carrier

    Strategy Based Diagnostics Review the system operations in order to familiarize yourself with the system functions. Refer to Rear Drive Axle Description and Operation, and Power Transfer Unit Case Description and Operation. All diagnosis on a vehicle should follow a logical process. Strategy base

     Radiator Replacement (3.6L LGX)

    Removal Procedure 1. Drain the cooling system. 2. Front Bumper Fascia - Remove. 3. Hood Primary Latch Mount Panel Bracket (3) - Remove. 4. Recover the refrigerant. 5. Air Conditioning Condenser Bracket (1) - Remove. 6. Transmission Fluid Cooler Inlet and Outlet Pipe Retainer @ Engine Cooler

    © 2019-2025 Copyright www.buregal6.com