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Acura DTC

Acura DTC P1791

Manufacture

Acura DTC

Code

P1791

Definition

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

  • VSS signal circuit to the TCM is openVSS signal circuit is shorted to groundVSS signal circuit to the TCM is shorted to VREFVSS connector is disconnected or damagedTCM or PCM has failed

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