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i just replace the alternator charge the battery full replace the trans,relay boths sensors, check all the wires none broke or split plently of trans,oil in it also replace the solenoid pack and still not working iam understant is in limp mode the only thing left to replace is the tcm but im not sure even that is bad
Vehicle: 2003 grand caravan 3.3 fwd

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HI there

It is possible the tcm is the problem, but you need to actually use a meter on the wiring from the relay to the tcm. Also, check your engine grounds, it can affect this.

P0888 DODGE - Transmission Relay Always Off

Read more: https://www.autocodes.com/p0888_dodge.html

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