OBD Guide

P0372

Timing Reference High Resolution Signal A Too Few Pulses

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Problems starting the engine
  • The engine stalls or runs erratically
  • Decreased power and throttle response
  • Check Engine light comes on

Causes

  • CKP or CMP sensor malfunction
  • Broken or damaged wiring harness
  • Contamination or damage to the toothed disk (benchmark)
  • Interference from other electronic devices
  • ECU malfunction

How to Fix

  1. Check the condition of the CKP/CMP sensor and its fastening
  2. Inspect the wiring harness for damage
  3. Check the toothed disk (reference mark) for damage or contamination
  4. Scan the control unit for other errors
  5. If necessary, replace the sensor or repair the wiring harness

Related codes

Error P0372 by Vehicle Brand