This GM TSB applies to 2010-2012 Buick LaCrosse, 2011-2012 Buick Regal and 2011-2012 Saab 9-5 vehicles, where DTCs C0035, C0040, C0045 and C0050 are set.
This GM TSB applies to 2010-2012 Buick LaCrosse, 2011-2012 Buick Regal and 2011-2012 Saab 9-5 vehicles, where DTCs C0035, C0040, C0045 and C0050 are set.
The cause involves all four wheel speed sensor DTCs with symptom byte 06 (shorted) may have set together.
Clear all EBCM module ABS DTCs and remove the key from the ignition. Open and close the driver’s door to turn off retained accessory power (RAP) and wait 60 seconds. Test drive the vehicle until the ABS MIL illuminates again. Check the EBCM module for new DTCs and perform normal diagnostics on the single wheel speed sensor DTC that sets. It has been found that when a single wheel speed sensor DTC sets repeatedly that all four DTCs may reset. If all four DTCs reset immediately with symptom byte 06, check the single wheel speed sensor DTC that sets current and again address only that DTC. If all four DTCs set current, contact TAC.
Similar TAC cases have indicated concerns with terminals in X105. Check X105 for wires pinched by the connector body, lock or cover. The insulation may not be rubbed through or cut for the DTC to set.
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