DTC U1088 Cadillac

ISC Solenoid Valve Signal No. 3 Circuit Malfunction (low input)

ISC Solenoid Valve Signal No. 3 Circuit Malfunction (low input)

Description

Control module detected an unexpected low condition on the IAC solenoid Signal 3 circuit during the test.

Cause and Solution

Check power supply to idle air control solenoid valveCheck harness between Control module and idle control solenoid valve connectorCheck poor contact

Video Guide

Duration: PT4M1S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: U1088
  • Brand: Cadillac
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