Fault codes › P0375

P0375

Timing Reference High Resolution Signal B Malfunction

Generic code Ignition System High severity Moderate repair
Free on OBD DashX

Want real-world data on P0375?

See which problems come with P0375, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0375 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0375 means

  • The fault code P0375 indicates that there is an issue with the timing reference high resolution signal A. This may affect the engine's performance and fuel efficiency.

!Possible symptoms

  • Engine misfires
  • Poor fuel efficiency
  • Illuminated check engine light
  • Engine stalling or not starting

?Possible causes

  • Defective sensor
  • Failed timing chain or belt
  • Wiring or connector issues in the circuit
  • Incorrect installation or adjustment of the sensor

⚙Related parts

  • Timing Reference Optical Sensor: The optical sensor monitors the pulses in the fuel injection pump. More fuel is necessary to keep the engine running correctly in this case due to the malfunctioning optical sensor

✓Possible solutions

  • Replace the faulty sensor
  • Replace the timing chain or belt if necessary
  • Check and repair any damaged wiring or connectors
  • Properly install or adjust the sensor
Free on OBD DashX

P0375 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0375 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.