Engine Controls - MIL ON/DTC's P0325/P0327 Set

01 12 06

March 14, 2012

2019434 Supersedes T.B. V010834 dated November 26, 2008 to correct labor operation coding.





Vehicle Information

Condition





MIL ON, DTCs P0325 or P0327 Stored in ECM Fault Memory

Technical Background

The condition is caused by humidity entering the knock sensor or its cable.

Note:

The condition as described does not compromise engine performance.

Production Solution

Improved knock sensors with extra heat insulation and a special holder for a modified installation position.

Service

1. Replace knock sensor -G61- with wiring harness 03H 905 377A.

2. Tighten the mounting bolt of knock sensors to 20 Nm (177 in. lbs.).





^ Inspect whether or not knock sensor bracket Part No. 03H 971 501 D (the new knock sensor bracket that is twisted 150) is installed.

If the old knock sensor bracket 03H 971 501 A is installed:





^ Replace with the new bracket Part No. 03H 971 501 D (Figure 2, inset A).





^ Install extra heat insulation Part No. 03H 971 461 as shown in Figure 3.








Warranty





Required Parts and Tools

No Special Tools required.

Additional Information

All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.