DTC P1791 Acura
A T Vehicle Speed Sensor Circuit Malfunction
A T Vehicle Speed Sensor Circuit Malfunction
Description
Vehicle driven for 15 seconds, and the PCM detected an unexpected voltage condition on the vehicle speed signal circuit to the TCM. Note: The lockup clutch does not engage when this code is set. Note: The D4 lamp on the dash will flash 4 times if this co
Cause and Solution
VSS signal circuit to the TCM is open
VSS signal circuit is shorted to ground
VSS signal circuit to the TCM is shorted to VREF
VSS connector is disconnected or damaged
Video Guide
Diagnostic Info
- DTC Code: P1791
- Brand: Acura