IF YOU CONFIRM: All of the following or the customer reports all of the following: With the engine at idle, and the transmission is in Drive, and the A/C is turned ON; when the A/C compressor cycles from OFF to ON (compressor engages) the vehicle momentarily surges forward a small amount. ACTION: 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM. See this bulletin for further detail.