SES Light Illuminated - DTC P0147 Set, O2 Sensor Heater (Reprogram VCM) (01-06-04-004)

Publication date: 2001-02-01
Reference number: 01-06-04-004

SES Light Illuminated - DTC P0147 Set, O2 Sensor Heater (Reprogram VCM)

TECHNICAL SERVICE BULLETIN

Reference Number(s): 01-06-04-004, Date of Issue: February 01, 2001

Affected Model(s):

2000 Chevrolet and GMC M/L Van; with 4.3 L V6 Engine (VIN W - RPO L35); and California Emissions (RPO NC1/NC8/NF4); Built prior to February 21, 2000

Condition

Some customers may comment on an illuminated Service Engine Soon (SES) Light. Upon investigation, the technician identifies a DTC P0147 has been set.

Cause

Vehicle system interactions may cause the OBD2 diagnostics to set a P-code for the O2 sensor's heater performance.

Correction

After following Strategy-Based Diagnostics without resolution, reprogram the VCM with the latest calibration. DO NOT replace the O2 Sensor.

IMPORTANT: All DTCs, calibration numbers, technician observations, and customer comments are to be recorded on the repair order in accordance with article 1.6.2G of the General Motors Service Policies and Procedures Manual.

Calibration Information

Previous Calibration P/N	New Calibration P/N
16259095	09388660
09373984	09388661

The Calibrations listed are electronic calibrations and are NOT available from GMSPO. Calibrations will be available from Techline starting January 2001, on the TIS 2000 version TIS 01/2001 data or later.

Warranty Information

For vehicles repaired under warranty, use:

Warranty Information

Labor Operation	Description	Labor Time
J6355	Powertrain Controller - Reprogram	Use Published Labor Time