P0371
Timing Reference High Resolution Signal A Too Many Pulses
P0371 is an OBD-II diagnostic trouble code meaning: Timing Reference High Resolution Signal A Too Many Pulses. Common causes: faulty crankshaft or camshaft position sensor, damaged sensor wiring harness. Estimated repair cost: $56–167.
Symptoms
- Poor engine idling
- Misfires
- Increased fuel consumption
- Difficulty starting the engine
- Check Engine Light Is On
Causes
- Faulty crankshaft or camshaft position sensor
- Damaged sensor wiring harness
- Interference in the sensor circuit
- Ignition module malfunction
- Problems with the gear on the crankshaft
How to Fix
- Check the condition of the CKP/CMP sensor and its connections
- Inspect the wiring harness for damage
- Check the sensor signal using an oscilloscope
- Replace the sensor if a fault is found
- Clean or replace the gear if it is dirty or damaged
Related codes
Error P0371 by Vehicle Brand
FAQ
What does the P0371 code mean?
P0371 is an OBD-II diagnostic trouble code that indicates: Timing Reference High Resolution Signal A Too Many Pulses
What causes a P0371 error code?
The most common causes of P0371 include: Faulty crankshaft or camshaft position sensor; Damaged sensor wiring harness; Interference in the sensor circuit; Ignition module malfunction.
How do I fix a P0371 diagnostic trouble code?
To fix P0371: Check the condition of the CKP/CMP sensor and its connections. Inspect the wiring harness for damage. Check the sensor signal using an oscilloscope. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0371?
Limited driving only, diagnose soon
How much does it cost to fix P0371?
The estimated repair cost for P0371 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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