What does code P0379 mean?
No pulses detected from timing reference signal B
OBD-II Code
P0379 — Timing Reference High Resolution Signal B No Pulses
No pulses detected from timing reference signal B
Common symptoms
- No start or severe engine malfunction
Possible causes
- Failed sensor B
- open harness
- damaged reluctor
Initial recommendation
Replace sensor B and verify reluctor condition.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0379 with your vehicle's actual symptoms for more complete diagnostic guidance.
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