DTC P0660 Cadillac

IMT Solenoid Control Circuit Malfunction

IMT Solenoid Control Circuit Malfunction

Description

Engine started, system voltage from 8-18v, IMT solenoid control state changed from open to closed position, and the PCM detected the IMT solenoid control circuit voltage was from 2.4-4.6v with the solenoid commanded off. The IMT valve plenum is an H typ

Cause and Solution

IMT solenoid control circuit is open or shorted to ground
IMT solenoid power circuit is open (check the Manifold fuse)
IMT solenoid is damaged or it has failed

Video Guide

Duration: PT4M | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0660
  • Brand: Cadillac
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