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
- Perform all necessary programming and setup procedures for the control module:P16 Instrument Cluster
- 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
- 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.
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Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
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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:
Emergency
Emergency Services require an
active, OnStar service plan
(excludes Basic Plan). With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor
who is immediately connected in to
the vehicle to help.
Press for a priority connection to
an OnStar Advisor w
Mirror Adjustment
Interior Mirrors
Adjustment
Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
Automatic Dimming Rearview
Mirror
The mirror automatically dims to
reduce the glare of headlamps from
behind. The dimming feature comes
on when the vehicle is started.
Exterior Mirrors
To adjus
