View source for 18001/P1593/005523

__FORCETOC__
== 18001/P1593/005523 - Altitude Adaptation: Signal Out of Tolerance ==

==== Possible Symptoms ====

* Unknown

==== Commentary ====

This is one of those fault codes where the ECU knows something is amiss, but cannot pinpoint the cause.

==== Possible Causes ====

* MAF sensor (G70) out of tolerance.
* Leak in intake system.
* Throttle position sensors (G187/G188) out of tolerance.

==== Possible Solutions ====

* Check MAF/replace MAF Sensor (G70).
* Check intake systems for leaks and repair.
* Check Throttle position sensors (G187/G188).


[[Category:Fault Codes]]