Service Procedure

1. Determine which DTC code is stored in the vehicle's ECM by performing CONSULT-II Self-Diagnosis.

2. Print out the Self-Diagnosis results for use in:

^ ECM Part Number Check (step 3), and

^ Determining which Rear Oxygen Sensor(s) will be replaced.





NOTE:
See Figure 1 for an example of the CONSULT-II Self-Diagnosis printout.





3. Compare the vehicle's current ECM P/N (from your CONSULT-II Self Diagnosis printout) to those shown under Current ECM P/N in Chart A, shown.

A. If the ECM P/N in the vehicle matches one of those listed under "Current ECM P/N" in Chart A (above):

^ Look in the "Vehicle" Column in Chart A (above) and determine the vehicle's transmission (MT or A/T). Make a note of the vehicle's transmission and perform ECM Reprogramming, below.

B. If the ECM P/N in the vehicle does not match one of those listed under "Current ECM P/N" in Chart A (above):

^ This bulletin does not apply. Use the appropriate Electronic Service Manual (ESM) to further diagnose and repair the incident.