P0379
Timing Reference High Resolution Signal B No Pulses
P0379 is an OBD-II diagnostic trouble code meaning: Timing Reference High Resolution Signal B No Pulses. Common causes: malfunction of the crankshaft position sensor, wiring harness damage. Estimated repair cost: $33–167.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Difficulty starting the engine
- Power Loss
Causes
- Malfunction of the crankshaft position sensor
- Wiring harness damage
- Corrosion or oxidation of contacts
- ECU malfunction
How to Fix
- Check the integrity of the wiring harness
- Make sure the crankshaft position sensor is working properly
- Check contacts for corrosion
- If necessary, replace the sensor or ECU
Related codes
Error P0379 by Vehicle Brand
FAQ
What does the P0379 code mean?
P0379 is an OBD-II diagnostic trouble code that indicates: Timing Reference High Resolution Signal B No Pulses
What causes a P0379 error code?
The most common causes of P0379 include: Malfunction of the crankshaft position sensor; Wiring harness damage; Corrosion or oxidation of contacts; ECU malfunction.
How do I fix a P0379 diagnostic trouble code?
To fix P0379: Check the integrity of the wiring harness. Make sure the crankshaft position sensor is working properly. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0379?
Limited driving only, diagnose soon
How much does it cost to fix P0379?
The estimated repair cost for P0379 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat