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Electronic Malfunction light


Hello all- I have a 2001 RD and have an "electronic malfunction" light that comes on once every two weeks for a minute and a half then goes away-any ideas anyone? and can anyone recommend a good scanner for this year truck- not looking to spend a lot on the scanner...Thanks everyone in advance...john

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I have a OTC heavy duty code reader and it works good.  It comes with a 6 and 9 pin connector. I dont know about an RD's but it works for ch, CV and cl models around that year

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