Discussion:
Codes e696 codee649

I have a customer who bought a truck sight unsee , he had me do a look over on the unit and these codes are coming up and is basically in limp mode, I did some basic checks, he won't pay much on a look over so did not dog into o was wondering if others have seen this before, appreciate the help.
  • Posted 10 May 2024 07:01
  • By 65mustang
  • joined 23 Jul'20 - 4 messages
  • Michigan, United States
Showing items 1 - 4 of 4 results.
Yaleguy
I have the same error code, in this case I do have a sensor transmission installed in forklift.
And yes, after several months out of service, forklift was jumpstarted.
I already checked lines and ressistance from sensor to ECM, less than 1ohm.
Internal sensor resistance 600ohm.
Any suggestion.
I'm running out of ideas.
  • Posted 21 Jun 2025 02:52
  • By Henry_Jonhson
  • joined 14 Mar'24 - 5 messages
  • Mexico
Regards
fleetgmslp@gmail.com
The 696 code comes up when the battery has been run flat and jump-started. There's almost never a transmission speed sensor, as it was optional, so don't waste time looking for it like I did. The fix is to flash the truck then clear the code through the dash. It's happened to me and pretty much all the road techs I work with. Pretty dumb. There's a service bulletin out on it. Good luck!
  • Posted 20 Jun 2025 15:49
  • By NWYaleGuy
  • joined 2 Jun'17 - 5 messages
  • Washington, United States
Mustang.
Were you able to solve E696
Same issue at this moment
Thanks!!
  • Posted 17 Jun 2025 04:25
  • By Henry_Jonhson
  • joined 14 Mar'24 - 5 messages
  • Mexico
Regards
fleetgmslp@gmail.com
Mustang,

Code 696 is for a failed speed sensor mounted to the left side of the transmission. Inspect wiring before replacing sensor. Also, the manufacturer put out an update that has to be downloaded by a service technician if the sensor is good. This is a common failure. Code 649 is a lazy operating O2 sensor post cat. Verify all wiring connections are clean at sensor and ECM. Good Luck.
  • Posted 20 May 2024 23:54
  • By Fishmech
  • joined 12 Jul'17 - 370 messages
  • Virginia, United States
The hard to do we do right away. The impossible just takes a little longer.

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