DTC P0506 Acura
Idle Control System RPM Lower Than Expected
Idle Control System RPM Lower Than Expected
Description
The execution time is once per driving cycle and the duration time is 20 seconds or more. Throttle fully closed, fuel trim 0.75-1.47, intake air temperature 19 ºF (-7 ºC) and battery voltage 10.5 or more. If the actual idle speed varies beyond a specified value from the target speed over a certain period of time, the PCM detects a malfunction. The actual idle speed is at least 100 rpm less than the target idle speed for at least 20 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Dirt, carbon, or damage in the throttle bore
Damaged air cleaner element
Incorrect DATA LIST parameter conditions
Poor connections or loose terminals at the throttle body and the PCM
Faulty throttle body
PCM may need to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P0506
- Brand: Acura