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  1. Check engine light was serviced (POD22) Now the car is using gas engine a lot more

    Problems, Driver Warnings or DTCs - Chevy Volt
    I had a check engine light that came on last week. I took it to the Grossinger Autoplex (GM Service in Chicago) yesterday. They state, "FOUND CODE P0D22. FOLLOWED SI DIAG TO REPROGRAM HPCM2. REPROGRAMMED HPCM2 W/ LATEST CALIBRATION. RETESTED. NO CODES SET. 2810265/0.4. I took it on the drive...
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