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04 fx4 f150 stuck in limp mode

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04 fx4 f150 stuck in limp mode

 
  #1  
Old 04-20-2019, 08:16 PM
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04 fx4 f150 stuck in limp mode

Throwing codes for
right front wheel speed sensor input circuit failure (c1145)
left front wheel speed sensor input circuit failure (c1155)
wheel speed rear input signal missing (c1237)
fault received from external node (u2023)
iwe solenoid circus failure (c1979)

Also throwing p1000 off system readiness test not complete

truck was was going down the interstate after 200+ miles for the day and just went into limp mode with not much warning

abs light is on

any help is appreciated
 
  #2  
Old 04-20-2019, 09:33 PM
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Have your alternator tested.
 
  #3  
Old 04-20-2019, 10:08 PM
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No P-series codes?

Limp mode usually means a electronic throttle issue. Your C-codes are ABS codes.

P1000 means all the sensors haven't achieved readiness since the last battery disconnect or code clearing.
 
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Old 04-22-2019, 11:13 AM
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No p series code other than the one stating itís in limp mode

No p series code other than the one stating itís in limp mode
Originally Posted by glc View Post
No P-series codes?

Limp mode usually means a electronic throttle issue. Your C-codes are ABS codes.

P1000 means all the sensors haven't achieved readiness since the last battery disconnect or code clearing.
 
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Old 04-22-2019, 02:14 PM
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What is the exact P-code?
 
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Old 04-22-2019, 03:26 PM
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Originally Posted by glc View Post
What is the exact P-code?
p2106
 
  #7  
Old 04-22-2019, 03:27 PM
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Iím thinking my abs module is bad or shorting out somewhere ... only thing I can come up with
 
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Old 04-22-2019, 03:30 PM
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  #9  
Old 04-22-2019, 04:00 PM
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I have ... itís reading a failure somewhere in the diagnostic system and throwing that code ... that code is the ďlimp mode codeĒ to alert you that the system is in fail safe
 
 


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