Engine Controls - MIL ON/CMP Sensor DTC's Set

28 08 14

2016942/2

November 19, 2008.

Supersedes Technical Service Bulletin Group 28 number 07-08 dated December 10, 2007 for reasons listed below.





Affected Vehicles

01 MIL on (DTCs for CMP sensors in ECM)





Condition

- MIL on.

- One of the following DTCs for Bank 2 Cam Position (CMP) sensor 2 - G163 and/or CMP sensor 4 - G301:

- DTC P000C ("A" Camshaft Position Slow Response (Bank 2)

- DTC P000D ("B" Camshaft Position Slow Response (Bank 2))

- DTC P0018 (Crankshaft Position-Camshaft Position Correlation Bank 2 Sensor A)

- DTC P0019 (Crankshaft Position-Camshaft Position Correlation Bank 2 Sensor B)

- DTC P0021 (A Camshaft Position (Bank2) Timing over-advanced or System Performance)

- DTC P0024 (B Camshaft Position (Bank2) Timing over-advanced or System Performance)

Technical Background

During the engine starting phase, electrical current near the engine wiring harness can create electrical interference to the Bank 2 CMP sensors G163 and G301.

The electrical interference only affects Bank 2 CMP sensors G163 and G301.

Production Solution

Electrical filter installed in Bank 2 CMP sensors G163 and G301.

Service

1. Remove air guide hose between Bank 2 air filter housing and throttle body for access to G301 CMP sensor.

2. Replace Bank 2 CMP sensors G163 and G301. Refer to ElsaWeb for repair instructions.

3. Clear ECM DTCs and set readiness code in Guided Functions.

Warranty








When procedure applies to vehicles under warranty, use the tables.








Required Parts and Tools

Additional Information

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.