P0374high severityPowertrain
Timing Reference High Resolution Signal A No Pulses
on 2024 Mini Cooper SE Electric · FWD
What this code means
The PCM detected no high resolution timing pulses on signal A. This typically prevents accurate timing and can cause a no-start or stalling condition.
Symptoms
- Engine no-start or stalling
- Check engine light on
- Loss of timing reference
Common causes
- Faulty timing sensor
- Open circuit in wiring
- Severely damaged tone ring
- Faulty PCM
Diagnostic steps
- Retrieve codes and freeze frame
- Check sensor power and ground
- Inspect wiring for opens
- Test tone ring and replace sensor
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Serious DIY~$100
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29CC
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Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1