If the vehicle speed signal is abnormal under enable conditions, the ECM/PCM sets DTC P2159.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Plausibility Check | 1. Poor connection 2. Open or short in signal circuit 3. ABS(ESP) Module |
Enable Conditions |
•
Engine speed > 2100rpm
•
Mass Air Flow (depending on ECT) > 0.44...0.62g/rev
•
No fuel injection shut off
•
Engine Coolant Temperature(ECT) > 25°C | |
Threshold Value |
•
Vehicle Speed = 0MPh | |
Diagnostic Time |
•
60 sec | |
MIL On Condition |
•
2 driving cycles |