P0373
Timing Reference High Resolution Signal A Intermittent/Erratic Pulses
P0373 is an OBD-II diagnostic trouble code meaning: Timing Reference High Resolution Signal A Intermittent/Erratic Pulses. Common causes: crankshaft position (ckp) sensor malfunction, damaged wiring harness or connectors. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Misfires
- Difficulty starting the engine
- Power reduction
Causes
- Crankshaft position (CKP) sensor malfunction
- Damaged wiring harness or connectors
- Interference from other electronic components
- Problems with the crankshaft toothed disc
How to Fix
- Check the condition of the CKP sensor and its connector
- Inspect the wiring harness for damage
- Check resistance and sensor signal
- Replace sensor if necessary
- Clean the crankshaft toothed disk from dirt
Related codes
Error P0373 by Vehicle Brand
FAQ
What does the P0373 code mean?
P0373 is an OBD-II diagnostic trouble code that indicates: Timing Reference High Resolution Signal A Intermittent/Erratic Pulses
What causes a P0373 error code?
The most common causes of P0373 include: Crankshaft position (CKP) sensor malfunction; Damaged wiring harness or connectors; Interference from other electronic components; Problems with the crankshaft toothed disc.
How do I fix a P0373 diagnostic trouble code?
To fix P0373: Check the condition of the CKP sensor and its connector. Inspect the wiring harness for damage. Check resistance and sensor signal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0373?
Limited driving only, diagnose soon
How much does it cost to fix P0373?
The estimated repair cost for P0373 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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