2013 Ford Escape Overheating Message

Tanner Instructor Wellford, South Carolina Posted   Latest   Edited  
Case Study
Driveability
2013 Ford Escape SE 1.6L (X) 6-spd (6F35)
P1299
U1035

Just putting this here in case anyone runs into this. On these Ford Escapes at some point Ford issued a recall for a risk of overheating that could cause a fire. Part of this recall involves installing a new junction box connector that is installed on the battery box.diag​.​net/file/f2n9ejrri…

The harness is installed between two connectors that contain the Can lines for the coolant level sensor. The connectors of the jumper harness can be plugged into themselves bypassing the juniction box connector. diag​.​net/file/f2xk1z8qv…

If this happens instead of it telling the driver that coolant level is low it instantly displays a message in the DIC stating the engine is overheating. There is very little information on these codes and because this was an updated harness it also does not appear in any diagrams. If this harness is incorrectly plugged it it also does not effect the reading of the ECT in scan data.

Hope this helps someone so they don't pull their hair out like I did.

+11
Helpful
Ray Diagnostician
North York, Ontario
Ray Default
 

Thank you for the photos and the info!

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Geoff Diagnostician
Lahaina, Hawaii
Geoff Default
 

Is any of this visible when the car is assembled, or is this underneath something somewhere? Having trouble picturing where any of this goes. Most Ford Escapes out here are 2003-05.

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Ray Diagnostician
North York, Ontario
Ray Default
 

Tanner said that the new junction box is on the battery box.

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Geoff Diagnostician
Lahaina, Hawaii
Geoff Default
 

So are battery temp sensors on old Jeeps....doesn't mean much out of context Ray. IOW, I need to see the thing on the car for the case study to mean anything in my head.

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

Geoff, the junction box is visible as the battery box is in the front left. The wires attaches to it are pretty long though and not visible when plugged in as they go down behind the battery box.

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Mike Technician
St. Louis, Missouri
Mike Default
 

Hi Tanner. Do you know what years this covers or have the recall number? Thanks, Mike.

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

Mike Flach the recall number is 13s12-s3

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Mike Technician
St. Louis, Missouri
Mike Default
 

Thank you

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Geoff Diagnostician
Lahaina, Hawaii
Geoff Default
 

Alright thanks. I know you are an instructor, so my feedback, from a student perspective, is I need to see pictures of the parts on the car, not lying on a table. That could be A/M Stereo remote start wires for all I can tell. I remember nearly everything I see on a car. Pictures of parts, in free-space, not so much.

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

Geoff thank you for that, I will see what I can do.

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Benjamin Diagnostician
Murfreesboro, Tennessee
Benjamin Default
   

Also on these if someone gets trigger happy and re-flashes the PCM without reading up, and the recall has not been done you will end up with the same faults.

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

Yes this is correct, that Flash is what causes this to happen.

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Benjamin Diagnostician
Murfreesboro, Tennessee
Benjamin Default
   

Tanner, I was called to a shop that had installed an engine in one of these. I pulled my hair out too. I finally found out they had plugged the jumper harness into itself exactly like you mentioned.

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

This one went the same way, used engine installed prior.

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Angel Technician
Boston, Massachusetts
Angel Default
 

Thank you for sharing, we have quite a few of these in our fleet. I'll be sure to look out for that.

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Matthew Technician
Elmsdale, Nova Scotia
Matthew Default
 

I replaced a transmission in a 14’ and did this. I eventually found what I did but also found the pids for coolant temperature and coolant level were jiberish when monitoring with data stream.

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

This one the data was correct. 102 at the time of checking after it ran for 10 min. Went to -40 with ect disconnected. Coolant level did read lower than when fixed but data was still normal.

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Stuart Mobile Technician
Blue Island, Illinois
Stuart Default
 

Thanks for the info

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Edward Owner
San Antonio, Texas
Edward Default
 

Tanner I have a 2013 Ford escape 1.6 with a code u1035 TSB recalls have been done I check wiring from the code sensor to the PCM I got power ground and com on the low and high speed bus from PCM to sensor... What's next replace the level sensor as started in the SI what IAM missing

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

If the pcm was updated and the recall was not performed that will cause your code. The recall has the technician install a jumper harness in the level sensor wiring. check the recall and see if your pcm has been updated or not.

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Edward Owner
San Antonio, Texas
Edward Default
 

Tanner The update has been done Unfortunately is there a way to check the coolant level sensor/ pipe stand

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

Has the recall itself been done? If just the flash was done and the harness was not installed you will have this problem. see if that small box is mounted to the battery box.

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Edward Owner
San Antonio, Texas
Edward Default
 

Tanner Sorry for the confusing brother I was out in the field when texting you, But yes the recall has been on there is a small box mounted by the battery, this was shipped from Copart and drop off at a dealer shop they stated to me the vehicle run for about six hours with not issues. I verify codes and found p0073- p0135-p1299-U0284-U103500 all the codes listed has been fixed but not P1299 and…

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Tanner Instructor
Wellford, South Carolina
Tanner Default
 

Make sure that small box does not have the wires plugged into itself. Basically there is 2 plugs on it and they should not be plugged into each other. I will look more at a diagram tomorrow.

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Edward Owner
San Antonio, Texas
Edward Default
 

Tanner I verify circuit integrity form the coolant level sensor to the spice box and to the Pcm. Unfortunately they are not plugged into each other on another note i found some information in IDS to verify the coolant level sensor functionality under power train , service functions then coolant level check it shows the engcool canmsg PIDS. youtube​.​com/watch?v=4ZYvoX…

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Stuart Mobile Technician
Blue Island, Illinois
Stuart Default
 

Thanks for sharing the info

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Andrew Manager
Lansdowne, Pennsylvania
Andrew Default
 

Thank you, one of my technicians put in a engine and did exactly this if it wasn't for your post I would probably still be testing valves and wires. Thanks again.

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