QUAD DRIVER 1 BAD, QUAD DRIVER 2 OK, QUAD DRIVER 3 OK, QUAD DRIVER 4 BAD

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NO ERROR CODS

Buick1 in Gilbert AZ

·

Mar 31, 2012

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1 Reply

Popular Answer
dale45on Apr 2, 2012

Quad drivers are drivers in the pcm that control an actuator, or solenoid. Bad quad drivers doesn't nesessarly mean you have a bad pcm. You need to find out what the ones testing bad control and check the wiring, and actuator/ solenoid.

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