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DTC 53

steelydan

steelydan

New Member
Messages
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Location
Mission B.C.
My brother had a code 53 in his '95 6.5 dually on the weekend. I believe this to be a transmission code. Any help appreciated.
 
That is a 'system voltage high' code.

Best guess would be a bad voltage regulator in the alternator....
 
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