OBD-II code · Powertrain (generic)

P0375 Timing Reference High Resolution Signal B

A general electrical fault on the high-resolution timing reference signal B — used by ignition and injection systems for precise crank angle measurement (typically a 60-2 or 36-1 tone wheel signal).

Is it safe to drive with P0375?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySensor or signal path failed

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2.5 h
Emissions test
Likely to fail
Parts involved
Camshaft Position Sensor

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.