What is this problem

Tiny
ROZWELL101
  • MEMBER
  • 1995 FORD EXPLORER
  • 155,000 MILES
1995 ford explorer error code 631 overdrive cancel light circuit
failure what is this looked everywhere
Monday, June 11th, 2012 AT 5:33 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It means your overdrive isn't working. Best to have a trans guy look at this and run scans on it for a better diagnosis.
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Monday, June 11th, 2012 AT 7:23 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
631 = Transmission Control Indicator Lamp Circuit Failure.

3) Codes 631 and 623 indicate TCS light circuit fault during KOEO
SELF-TEST. Possible causes for these faults are:

a) TCS bulb burned out.

B) Wiring harness circuit open or grounded.
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Monday, June 11th, 2012 AT 7:31 PM

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