EBCM Replacement

If the electronic brake control module (EBCM) is replaced, the following procedures must be performed:
EBCM Reprogramming, refer to Service Programming System (SPS).

EBCM Reprogramming

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Commodore ABS part numbers

This week started off as a cracker, had a WK Caprice come in with a Traction control light that was not working, when the button next to the shifter was depressed.

The operation of the VY commodore, when pressing the TRAC button the TRAC OFF should change in the instrument cluster similar to that when pressing the PWR button.

This vehicle did have traction control as the button was present and also the 6 pipes on the ABS pump block where present, but the TRAC button and accelerator retarder did not work, after setting up the Tech2 on to the vehicle, it was found that the Tech2 could not communicate as the coding was wrong, we then set up the scan tool for a commodore V6 and the Tech2 connected we found fault 62 RPM sensor error, checked the RPM and at idle it was 275RPM instead of 650RPM,
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Holden Cruze p2096 bank 1 sensor 2 lean fault


Holden Cruize, 2009, F18D Engine


The vehicle shows a check engine light on the dash board, the fault code is p2096 the description is post catalyst fuel trim system low limit.
the driving technique to make the symptom reoccur is warm up the vehicle so both o2 sensors front and rear are ready to send signal back to PCM, drive for 5 mins and drive to 80 kmh and back off the accelerator this will see that the o2 sensor both reach 0.00v when the vehicle is stopped and back to idle the front o2 sensor will start to cycle again, the rear o2 sensor will be at 0.12v – 0.18v and steady generally the voltage will take a while to rise, back to normal of 0.76v which is in the normal range of operation.

after this the check engine light will not come on the dash board but the fault code p2096 will be set in the PCM, during the test drive if you clear and carry out the same road test it will also be set again as the issue is still the same. this method of testing was the only way I could reproduce the fault time and time again.


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