DTC P0509 code: Idle air control (IAC) -circuit high. Fault type Drive system in category Idle speed control failure.
Error or fault (reason, cause): Wiring short to positive, IAC valve, ECM.
Error Code DTC / Diagnostic Trouble Code:
P0509.
Hexadecimal Code: 0509.
The orange color P0509 indicates car fault. What to do when the car started to show P0509 error. After starting the car a signal P0509 lights orange. What means P0509 in orange color. Auto P0509 error repair code.
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