What does code P0728 mean?
The engine speed input signal is intermittent, causing unstable transmission control.
OBD-II Code
P0728 — Engine Speed Input Circuit Intermittent
The engine speed input signal is intermittent, causing unstable transmission control.
Common symptoms
- Unstable shifting
- engine hesitation or shaking
Possible causes
- Loose connector
- electrical interference
- failing CKP sensor
Initial recommendation
Secure connectors and inspect CKP sensor and wiring.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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