DTC U0170 Chevrolet

ISC Solenoid Valve Signal No. 1 Circuit Malfunction (low input)

ISC Solenoid Valve Signal No. 1 Circuit Malfunction (low input)

Description

Key on or engine running; and the PCM detected an unexpected low condition on the IAC solenoid Signal 1 circuit during the test.

Cause and Solution

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

Video Guide

Duration: PT4M4S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: U0170
  • Brand: Chevrolet
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