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Author Topic:  Speedometer stopped working/not shifting  (Read 1142 times)

Offline guitar333

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Speedometer stopped working/not shifting
« on: May 29, 2021, 12:09:16 PM »

Hey guys,
I just fixed my 2010 after a fender bender.
I recently changed the radiator/intercooler/battery/etc
Coolant sprayed all under the hood which I believe caused a few electrical issues.
I got most of them sorted after spraying the fusebox with electrical cleaner and it runs fine.
Now my only issue is the car won't shift out of 1st in D and won't shift past 2nd in M mode - the speedometer also isn't working. No codes. Any ideas or connectors I can check/clean. Is there a VSS etc I can check?
Thanks!
« Last Edit: May 30, 2021, 07:10:53 AM by guitar333 »
2010 SHO - CAI, Downpipes, CR Rebuilt Turbos, LMS SIII Tune, H&R

1990 SHO - 3.2 Supercharged, all the modz

Offline Macgyver

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Re: Electrical issues after cracked radiator/coolant splurge
« Reply #1 on: May 29, 2021, 05:49:07 PM »
Some codes will not show up. A "pro" reader can pick up more codes but its likely.


Do you have a SCZT tuner etc ?

Offline SHOdded

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Re: Speedometer stopped working/not shifting
« Reply #2 on: September 23, 2021, 02:58:00 PM »
how many miles on your SHO?

would check the connectors at the solenoid body assembly and at the PCM, verify they are clean and tight, put a dab of dielectric grease in there when reassembling.

there should be a fuse for the TCM, check to make sure it is not contaminated.
2007 Ford Edge SEL, Powerstop F/R Brake Kit, TXT LED 6000K Lo & Hi Beams, W16W LED Reverse Bulbs, 3BSpec 2.5w Map Lights, 5W Cree rear dome lights, 5W Cree cargo light, DTBL LED Taillights

If tuned:  Take note of the strategy code as you return to stock (including 3 bar MAP to 2 bar MAP) -> take car in & get it serviced -> check strategy code when you get car back -> have tuner update your tune if the strategy code has changed -> reload tune -> ENJOY!

 

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