P0373

Timing Reference High Resolution Signal A Intermittent/Erratic Pulses

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

P0370 P0371 P0372 P0374