Code result

P0372

Timing Reference High Resolution Signal A Too Few Pulses

High severity

What it means

Timing reference signal A delivers fewer pulses per crank revolution than expected — broken reluctor teeth, sensor air gap too wide, or tone wheel chipped.

Is it safe to drive?

No — stop driving

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

  • Tone wheel teeth broken or sensor gap excessive

    high

    One of the most commonly reported causes for this code — check this first.

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