P0C4F: Drive Motor B Position Exceeded Learning Limit
What to do
As P0C4E.
What this code means
The learning routine for drive motor B's position sensor completed, and produced a value outside the range the manufacturer allows.
The distinction from P0C17 — calibration not done versus calibration done and implausible — and the physical causes it points at are at P0C4E. On motor B expect reduced all-wheel-drive performance rather than a general flatness.
Likely causes
Start here
- Motor position sensor incorrectly fitted or misaligned · specialist
- Faulty motor position sensor · specialist
Less common
Symptoms
Components involved
Information, not instruction
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Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
Community experience
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Nothing posted about this yet. Whatever you found is worth writing down — even a dead end saves someone the same afternoon.
What makes one worth reading:
- The car — make, model, year and engine. The same fault behaves differently on each.
- What you measured, not only what you replaced.
- What actually fixed it — or that nothing did, which is worth knowing too.
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