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Jeep Repair/05 jeep wrangler p0700 p0888 codes

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Question
what can be the cause of this we have changed the transmission front speed sensor rear speed sensor sent the tcm off to be tested passed all test changed the transmission relay check the voltage in the box its reading 12.7 the points are coming together like their suppose to when cranked . but when you get in it shift it into drive go maybe 5 miles then put it in reverse when you pull it back into drive it will hard shift and the cel will come on and it will not shift out of 1st gear . don't know what else to do all wiring up top is checking out ok .

Answer
this will need to go to an electrical guy
P0888 Relay output always off
SET CONDITION
This code is set when less than 3 volts are present at the transmission control relay output circuits at the Transmission Control Module when
the TCM is energizing the relay.
POSSIBLE CAUSES
- Fused B+ circuit open
- Transmission control relay ground circuit open
- Intermittent wiring and connectors

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Kevin

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Free Dealer trained advice. Dealer trained 15 years Now owner of KEVIN'S MOBILE REPAIR in Atlanta GA I have a mobile Chrysler,Dodge and Jeep repair service in ATLANTA area Email me with Work requests kkeller608@aol.com Web page WWW.KEVINSMOBILEREPAIR.COM Master AC Master Drive ability Master Electrical Master Brakes Chrysler,Dodge,Jeep Tech for 14 Plus years Questions 96 and up only. Please don't ask about a noise,a fluid leak or how much something is to fix thanks.

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15 years working at a Chrysler Dodge and Jeep dealer 20 Years over all experience ACE cert Master AC Master Driveability Master Electrical

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2 year associates degree for Chrysler CAP 14 years working at a Chrysler Dodge and Jeep dealer

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