Error code

OBD2 P0374

OBD2P0374
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Timing Reference High Resolution Signal 'A' No Pulse.

Severity

highDriving may be possible but can cause further damage to the engine.

Summary

P0374 indicates that there is no high-resolution timing signal 'A' from the crankshaft or camshaft position sensor, which is critical for engine timing accuracy.

Common Causes

  • Wiring issues
  • Faulty CKP/RPM/CMP sensor
  • ECM malfunction

Fixes

FAQ

What does P0374 mean?

P0374 means there is no high-resolution timing signal 'A' from the crankshaft or camshaft position sensor, which affects engine timing accuracy.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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