what is required when the "service tranfer system" light comes on and the trans system is turned off

Asked by Mar 06, 2017 at 12:24 PM about the 2000 Pontiac Montana Base Extended

Question type: Maintenance & Repair

this only happens once ib a while and only when I start by backing up

2 Answers

18,615

Do you mean the service traction system light, if so one or more of the wheel bearing sensors need checked or replaced.

1 of 1 people found this helpful.
18,615

The sensor is actually in the wheel bearing itself so if the sensor is bad then the wheel bearing has to be replaced.

1 of 1 people found this helpful.

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