Error code

OBD2 P0376

OBD2P0376
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Timing Reference High Resolution Signal 'B' Too Many Pulses.

Severity

moderateCan be driven, but performance may suffer. It's recommended to address the issue soon.

Summary

P0376 indicates that there are too many pulses in the high-resolution timing signal 'B', which is related to the crankshaft or camshaft position sensor (CKP/RPM/CMP) and engine control module (ECM).

Common Causes

  • Wiring issues between the CKP/RPM/CMP sensor and ECM.
  • Faulty CKP/RPM/CMP sensor.
  • Engine Control Module (ECM) malfunction.

Fixes

  • Inspect and repair any wiring issues between the CKP/RPM/CMP sensor and ECM.

FAQ

What does P0376 mean?

It means there are too many pulses in the high-resolution timing signal 'B', which can be caused by issues with the CKP/RPM/CMP sensor or wiring.

How serious is P0376?

Moderately serious. The vehicle may still drive, but performance could suffer and it's recommended to address the issue soon.

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