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DTC - Diagnostic Trouble Codes information

P0660

Powertrain Codes

P0660 - JEEP - Manifold Tune Solenoid Circuit Condition

Symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

- IMTV signal circuit open, shorted to power or ground. - Damaged IMTV actuator. - Damaged ECM.

When Detected

Dual plane intake system-Control solenoid failure

Description

The Intake Manifold Tuning Valve (IMTV) system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is more or less than an the expected calibrated range