Car Codes diagnostic trouble code
Diagnosis of DTCs C1249, C1531 and C0054
Code interpretation
What C1531 means
This code indicates Vehicle fault code with verified manufacturer evidence Its precise meaning depends on the reporting control module, complete failure-type suffix, model year, powertrain and software level.
Driver experience
Symptoms you may notice
A stored diagnostic trouble code or a related system warning.
Test, do not guess
Possible causes
The precise cause depends on the reporting module, vehicle specification, circuit condition and software level.
Evidence-led checks
Recommended diagnostic route
Save the complete scan and confirm the code against model-specific technical information before testing.
- Capture the evidenceSave the complete all-module scan, code suffixes and freeze-frame data.
- Prove the basicsTest battery condition, system voltage, power and grounds.
- Identify the reporterConfirm the module that logged the code and check circuit integrity.
- Compare live dataReview commanded and actual values under the conditions that set the code.
- Test before replacingUse model-specific wiring diagrams, pin tests and technical information.
- Verify the repairClear the code only after recording evidence, then confirm it does not return.
Vehicle fitment
Vehicle applicability
Subaru Forester, Subaru Crosstrek, Subaru Outback
Before clearing
Can the code be cleared?
Clearing a code without fixing the cause removes useful evidence and may only switch the warning off temporarily. Save the full scan first; a permanent or repeatedly returning code needs testing.
Confirm the suffix, reporting module, model, year, engine and live data before replacing a component.
Verified public evidence
Manufacturer and model coverage
25 public manufacturer records match this search. These records support applicability research but do not replace VIN-specific workshop information.
XV CROSSTREK · 2013 · Multiple/unspecified
REVISED BRAKE LIGHT SWITCH ADJUSTMENT PROCEDURE FOR DTCS C1531 AND C0054
SourceXV CROSSTREK · 2014 · Multiple/unspecified
REVISED BRAKE LIGHT SWITCH ADJUSTMENT PROCEDURE FOR DTCS C1531 AND C0054
SourceXV CROSSTREK · 2015 · Multiple/unspecified
REVISED BRAKE LIGHT SWITCH ADJUSTMENT PROCEDURE FOR DTCS C1531 AND C0054
SourceXV CROSSTREK · 2013 · Multiple/unspecified
Diagnosis of DTCs C1249, C1531 and C0054
SourceCROSSTREK · 2013 · Multiple/unspecified
THIS BULLETIN ANNOUNCES A DESIGN CHANGE TO THE STOP LIGHT SWITCH TO REDUCE THE POSSIBILITY OF IMPROPER ILLUMINATION OF THE ABS AND/OR VDC WARNING LAMP WITH RESULTING DTCS C1531 AND/OR…
SourceCROSSTREK · 2013 · Multiple/unspecified
THIS BULLETIN ANNOUNCES A DESIGN CHANGE TO THE STOP LIGHT SWITCH TO REDUCE THE POSSIBILITY OF IMPROPER ILLUMINATION OF THE ABS AND/OR VDC WARNING LAMP WITH RESULTING DTCS C1531 AND/OR…
SourceCROSSTREK · 2014 · Multiple/unspecified
THIS BULLETIN ANNOUNCES A DESIGN CHANGE TO THE STOP LIGHT SWITCH TO REDUCE THE POSSIBILITY OF IMPROPER ILLUMINATION OF THE ABS AND/OR VDC WARNING LAMP WITH RESULTING DTCS C1531 AND/OR…
SourceCROSSTREK · 2012 · Multiple/unspecified
THIS BULLETIN PROVIDES A REVISED ADJUSTMENT PROCEDURE TO BE USED WHEN DIAGNOSING BRAKE LIGHT SWITCH (BLS) -RELATED DTCS C1531 AND/OR C0054. IF THE BLS IS OUT OF ADJUSTMENT, THE ABS…
SourceCROSSTREK · 2013 · Multiple/unspecified
THIS BULLETIN PROVIDES A REVISED ADJUSTMENT PROCEDURE TO BE USED WHEN DIAGNOSING BRAKE LIGHT SWITCH (BLS) -RELATED DTCS C1531 AND/OR C0054. IF THE BLS IS OUT OF ADJUSTMENT, THE ABS…
SourceCROSSTREK · 2012 · Multiple/unspecified
THIS BULLETIN ANNOUNCES A DESIGN CHANGE TO THE STOP LIGHT SWITCH TO REDUCE THE POSSIBILITY OF IMPROPER ILLUMINATION OF THE ABS AND/OR VDC WARNING LAMP WITH RESULTING DTCS C1531 AND/OR…
SourceCROSSTREK · 2013 · Multiple/unspecified
THIS BULLETIN ANNOUNCES A DESIGN CHANGE TO THE STOP LIGHT SWITCH TO REDUCE THE POSSIBILITY OF IMPROPER ILLUMINATION OF THE ABS AND/OR VDC WARNING LAMP WITH RESULTING DTCS C1531 AND/OR…
SourceFORESTER · 2014 · Multiple/unspecified
REVISED BRAKE LIGHT SWITCH ADJUSTMENT PROCEDURE FOR DTCS C1531 AND C0054
SourceFORESTER · 2015 · Multiple/unspecified
REVISED BRAKE LIGHT SWITCH ADJUSTMENT PROCEDURE FOR DTCS C1531 AND C0054
SourceFORESTER · 9999 · Multiple/unspecified
REVISED BRAKE LIGHT SWITCH ADJUSTMENT PROCEDURE FOR DTCS C1531 AND C0054. 07/07/14*LJ
SourceFORESTER · 2013 · Multiple/unspecified
Diagnosis of DTCs C1249, C1531 and C0054
SourceFORESTER · 2014 · Multiple/unspecified
THIS BULLETIN ANNOUNCES A DESIGN CHANGE TO THE STOP LIGHT SWITCH TO REDUCE THE POSSIBILITY OF IMPROPER ILLUMINATION OF THE ABS AND/OR VDC WARNING LAMP WITH RESULTING DTCS C1531 AND/OR…
SourceFORESTER · 2014 · Multiple/unspecified
This bulletin provides a revised adjustment procedure to be used when diagnosing Brake Light Switch (BLS) -related DTCs C1531 and/or C0054. If the BLS is out of adjustment, the ABS…
SourceFORESTER · 2014 · Multiple/unspecified
THIS BULLETIN ANNOUNCES A DESIGN CHANGE TO THE STOP LIGHT SWITCH TO REDUCE THE POSSIBILITY OF IMPROPER ILLUMINATION OF THE ABS AND/OR VDC WARNING LAMP WITH RESULTING DTCS C1531 AND/OR…
SourceFORESTER · 2014 · Multiple/unspecified
THIS BULLETIN PROVIDES A REVISED ADJUSTMENT PROCEDURE TO BE USED WHEN DIAGNOSING BRAKE LIGHT SWITCH (BLS) -RELATED DTCS C1531 AND/OR C0054. IF THE BLS IS OUT OF ADJUSTMENT, THE ABS…
SourceFORESTER · 2015 · Multiple/unspecified
THIS BULLETIN PROVIDES A REVISED ADJUSTMENT PROCEDURE TO BE USED WHEN DIAGNOSING BRAKE LIGHT SWITCH (BLS) -RELATED DTCS C1531 AND/OR C0054. IF THE BLS IS OUT OF ADJUSTMENT, THE ABS…
Source