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Power Steering Assist Fault - 2014 C-Max Energi


Best Answer countryfit , 08 December 2018 - 02:22 PM

update -

 

i drove my car to a nearby ford dealer for a diagnosis.  the tech yelled:  rodent!  rodent chewed your wires! 

 

they didn't have the replacement wires and terminal in hands, needed a special order.  they quoted $525 for the job.  i paid diagnosis fee of $130, and drove back.

 

yesterday, i jacked it up and dropped the skid.  didn't take a long time to find the broken wires.  pulled the loom and took this pic:

 

20hvdbo.jpg

 

took the terminal out.  the green wire was a trouble - too close to the shell impossible to solder.  pried out the top end:

 

24q7oz4.jpg

 

solder an extension:

 

2s7vo1x.jpg

 

went under the belly, and soldered the wires to where each belongs.  heat shrank all connections.  plugged the terminal to the socket:

 

2wcpfs7.jpg

 

turned engine on, no error message. put all stuff back on and drove around, no issues.

 

then went to home depot and got a bottle of "all animals repellent".  so far so good.  

 

on next monday, will call nhsta to withdraw my report.  can't blame ford for what rodent did to me :-).

 

thank you all!

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8 replies to this topic

#1 OFFLINE   countryfit

countryfit

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Posted 25 November 2018 - 12:48 PM

After 3 days sitting on my driveway, yesterday morning I went to start the car and noticed a warning on the screen "Power steering assist fault".  I tried to back out to the street, but the power steering remained un-maneuverable.  Online search found out there had been a lot of reports for the very same issue on Focus, C-Max, and Fusion.  It appears this is a known issue not unique to my car. 
 
Has anyone else had this problem?  What are the solutions?  TIA!
 
11j3r5d.jpg

Edited by countryfit, 25 November 2018 - 12:50 PM.








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#2 OFFLINE   grege

grege

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Posted 26 November 2018 - 02:28 AM

 

After 3 days sitting on my driveway, yesterday morning I went to start the car and noticed a warning on the screen "Power steering assist fault".  I tried to back out to the street, but the power steering remained un-maneuverable.  Online search found out there had been a lot of reports for the very same issue on Focus, C-Max, and Fusion.  It appears this is a known issue not unique to my car. 
 
Has anyone else had this problem?  What are the solutions?  TIA!
____________________________________________________________________
 
 
 
There was recall for some 2014s:  https://www.edmunds....ar-problem.html
 
Check for yours and please report your problem(s) with the NHTSA website:  https://www-odi.nhts...hicleComplaint/
 
Good luck and let us know how things progress!
Greg  

 


Edited by grege, 26 November 2018 - 02:30 AM.


#3 OFFLINE   countryfit

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Posted 27 November 2018 - 10:01 PM

Thanks Greg!

 

I reported this to NHTSA on this past Sunday before I posted here :)

I called a Ford dealer yesterday.  They looked up my VIN and found no related recalls.  I'll bring this article when I am going for a diagnosis in the dealership on this coming Friday.  

 

Will update along the progress...  Best regards!



#4 OFFLINE   grege

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Posted 29 November 2018 - 02:51 AM

Hopefully you're covered under warranty or better yet, the recall (considering your mileage).  If not, you could always send corporate FORD USA a nice note asking for assistance (or even asking for dealer assistance) to cover some or all of the expense given "premature" failure of a serious safety component.  That doesn't always work, but have witnessed friends receiving 50 - 75% of repair costs covered.  

 

Good Luck!  

Greg

 

PS I'd recommend finding a site to type in your vehicle VIN that checks for recalls just in case a mistake was made.  e.g., https://owner.ford.c...ce/recalls.html

 

 

Thanks Greg!

 

I reported this to NHTSA on this past Sunday before I posted here :)

I called a Ford dealer yesterday.  They looked up my VIN and found no related recalls.  I'll bring this article when I am going for a diagnosis in the dealership on this coming Friday.  

 

Will update along the progress...  Best regards!


Edited by grege, 29 November 2018 - 02:56 AM.


#5 OFFLINE   countryfit

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Posted 08 December 2018 - 02:22 PM   Best Answer

update -

 

i drove my car to a nearby ford dealer for a diagnosis.  the tech yelled:  rodent!  rodent chewed your wires! 

 

they didn't have the replacement wires and terminal in hands, needed a special order.  they quoted $525 for the job.  i paid diagnosis fee of $130, and drove back.

 

yesterday, i jacked it up and dropped the skid.  didn't take a long time to find the broken wires.  pulled the loom and took this pic:

 

20hvdbo.jpg

 

took the terminal out.  the green wire was a trouble - too close to the shell impossible to solder.  pried out the top end:

 

24q7oz4.jpg

 

solder an extension:

 

2s7vo1x.jpg

 

went under the belly, and soldered the wires to where each belongs.  heat shrank all connections.  plugged the terminal to the socket:

 

2wcpfs7.jpg

 

turned engine on, no error message. put all stuff back on and drove around, no issues.

 

then went to home depot and got a bottle of "all animals repellent".  so far so good.  

 

on next monday, will call nhsta to withdraw my report.  can't blame ford for what rodent did to me :-).

 

thank you all!


Edited by countryfit, 08 December 2018 - 02:23 PM.

  • Levi Smith and grege like this

#6 OFFLINE   Tony_NC

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Posted 13 December 2018 - 04:01 PM

Countryfit,

 

Thanks for sharing the update and entire process!  your pics are great, so is your repair job :thumbsup:

 

Really glad you got it all fixed up .

 

I had to come back and edit this post.  I am amazed a rodent could have bit the wires so cleanly without random gnawing marks up and down the wire till it settled in on a spot to concentrate on.    Its amazing the damage rodents can do.  Hope your critter moved on to somewhere else.

 

 

Tony


Edited by Tony_NC, 13 December 2018 - 05:11 PM.


#7 OFFLINE   grege

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Posted 15 December 2018 - 05:42 AM

Interesting and glad you found the source.  Rodents chewing car wires is a pretty common problem, especially in cities such as NY city.  I believe part of the problem is some of the wire insulation jackets are actually soy-based, which makes the wiring not only attractive as nesting material, but as a food resource (no kidding).

 

Greg



#8 OFFLINE   countryfit

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Posted 16 December 2018 - 10:58 PM

Thanks Tony and Greg.  Yup, my neighbor who is an engineer in Cummins told me chewing is a common problem.  Just as Greg said, the insulation is really made of soybean; rodents love the free buffet :hysterical:.  Learned a lesson, not too bad though.   Best regards to all!

 

(This should close this loop)


Edited by countryfit, 16 December 2018 - 10:59 PM.


#9 OFFLINE   ShoulderThingThatGoesUP

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Posted 18 December 2018 - 07:33 AM

This is what gave me a mystery Crankshaft Position code on my ICE (but driving in EV mode worked fine) - rodent ate the wire to the sensor.

 

Lesson learned: if you have a weird problem in your C-Max, check for rodent damage first.










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