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GMC TSB #SB-16-NA-133
2016 GMC Savana
TSB Document:
Affected Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- Summary
- THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE ECM TO CORRECT A CUSTOMER CONCERN THAT THE BATTERY IS NOT MAINTAINING CORRECT VOLTAGE (LOW), AND CAUSING UP-FITTED EQUIPMENT TO HAVE POOR PERFORMANCE DUE TO INCORRECT ECM CALIBRATION CAUSING LOW VOLTAGE CHARGING RATE.
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