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Acura DTC

Acura DTC P0505

Manufacture

Acura DTC

Code

P0505

Definition

Idle Speed Control System

Description

DTC P1519 not set, engine started, engine running at hot idle, and the PCM detected the Actual idle speed and the Target idle speed were too far apart during the CCM Rationality test.

Cause

  • IAC valve circuit open, shorted to ground or to power (B+)IAC valve is damaged or has failedFast idle thermo valve is damaged or has failed (some models)Throttle body is dirty or full of sludge (clean and then retest)PCM has failedTS

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