P1660 ISUZU – AT To ECM Signal Failure

P1660 ISUZU Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1660 ISUZU Possible Causes

Faulty Transmission Control Module (TCM),Faulty Engine Control Module (ECM),Engine Control Module (ECM) harness is open or shorted,Engine Control Module (ECM) circuit poor electrical connection

P1660 ISUZU Description

AT To ECM Signal Failure is the generic description for the P1660 Isuzu code, but the manufacturer may have a different description. Currently we have no further information abouth the P1660 Isuzu OBDII code.