Malfunction Indicator Lamp (MIL) On, Diagnostic Trouble Code (DTC) P0016 (Crankshaft Position (CKP) Camshaft Position (CMP) Correlation (Reprogram Engine Control Module (ECM)). Chevrolet Impala 2006

Condition

Some customers may comment that the MIL is illuminated with no other driveability symptoms. Upon investigation, the technician may find DTC P0016 (Crankshaft Position (CKP) Camshaft Position (CMP) Correlation) set.

Cause

Engineering has identified a concern with the ECM software.

Correction

Reprogram the ECM with the latest calibrations if the above concern is encountered. An updated ECM calibration is now available to address this concern. This calibration, or any that follow, is designed to address this concern. Refer to Service Programming System (SPS) using the appropriate Service Information (SI) procedures. The new ECM calibrations will be available to dealerships as part of TIS2000 incremental satellite update version 9.0 which will be broadcast to dealers on 09/06/2005. For the dealerships that use CDs, they will be mailed on 09/14/2005. As always, make sure your Tech 2® is updated with the latest software version.

To determine which calibration is correct for the 2006 Chevrolet Impala, refer to the list below and reprogram the ECM with the corresponding new calibration .

Model Year/ Useage	New ECM Calibration P/N
2006 Chevrolet Impala 3.5LV6 RPO LZ4, 4 Spd Auto, 2.86 Axle Ratio, Nationwide Calibration	12605592
2006 Chevrolet Impala Flexible Fuel 3.5L V6 RPO LZE, 4 Spd Auto, 2.86 Axle Ratio, Nationwide Calibration	12605590

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation	Description	Labor Time
J6354	Module, Powertrain Control - Engine Reprogramming	Use Published Labor Operation Time