1998 Dodge Caravan check engine soon light

139,100 MILES • 6 CYL • FWD • AUTOMATIC
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PGR
  • MEMBER
  • 1 POST
check engine soon light came on so went to Autozone and the scanner read codeP1698. The paper he gave me says the explanation is 'failed ECM; and prbable causes are 'open CCD bus line or fialed TCM. The clerk said the test was inconclusive but he thought it might be a problem with the computer. What should I do ? Thanks.
Aug 7, 2008 at 3:49 AM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
TCM is located by the windshield washer tank
check wiring connector and check for power
Aug 8, 2008 at 11:05 AM
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