Code result
P0374
Timing Reference High Resolution Signal A No Pulses
High severity
What it means
No pulses detected on timing reference signal A — open circuit, dead sensor, or air gap too wide.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Sensor or wiring open
highOne of the most commonly reported causes for this code — check this first.
Related help
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