VIDEO

Acura DTC

Acura DTC P1656

Manufacture

Acura DTC

Code

P1656

Definition

PCM To VSA Unit Signal Line Circuit Malfunction

Description

Engine started, and the PCM detected an unexpected voltage condition on the PCM to VSA circuit during the CCM test.

Cause

  • SEFA or SEAF signal line is open or shorted to groundSEFA or SEAF signal line is shorted to system powerTCM or PCM has failed

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