OBD LensGM: C0042
Right wheel speed sensor circuit low
- Reference namespace
- gm
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Generic OBD2: C0042
Brake Pedal Position Sensor "Circuit A"
- Reference namespace
- obd2
- Source revision
- legacy-2.2.20
Generic OBD2 definition; confirm the protocol and vehicle-specific service information.
Subaru: C0042
Power Supply Voltage Failure
- Reference namespace
- subaru
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: Subaru.
5 profiles assigned this reference family
- 2010 - n.d. (CVT/AT + CAN)Subaru · 2010–onward
- 2022 - n.d. (CVT/AT + CAN)Subaru · 2022–onward
- BRZ (gen.1 2012-2021)Subaru · 2012–2021
- SSM2 over CAN (2008-2010)Subaru · 2008–2010
- WWH-OBD (CAN 11 bit) (2026-n.d.)Subaru · 2026–onward
What should I check before using this definition?
Keep the full code, module, status and freeze-frame data. Confirm the vehicle’s make, model, year and current manufacturer service information before choosing a repair. This entry does not identify a failed part by itself.
Organize a scan report or recordingOBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.
Read the reference method