Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC B1503: Meter Control Module Can Register Stuck
DTC detecting condition:
CAN controller failure in combination meter.
Trouble symptom:
Normal operation becomes impossible because the communication with other parts are not established.
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to COMBINATION METER (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
- Turn the ignition switch to ON.
- Read the DTC of [Combination Meter] using the Subaru Select Monitor. Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B1502 displayed? (Current malfunction)
Yes: Replace the combination meter. (Defective hardware or software) Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER .
No: Replace the combination meter. (Temporarily defective hardware or software) Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER .
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.