computer codes P2106 and P2135 help

miloman · May 1, 2007

I've been having problems with these two codes lately. The wrench light keeps coming on. about two weeks ago I took the car to the dealer here in Reno. They can't seem to read the codes. They also put almost 400 miles on the car and couldn't get the light to come on. Either they just don't know what they're doing or they're screwing me around.

I just had a Steeda CAI and a custom Predator tune done today (by RDW Automotive here in Reno). The guy cleared the computer before he even started. He took it for a quick test drive and the wrench light came on twice. He mysteriously managed to pull the codes P2106 and P2135. I know they're for the throttle control. And I'm pretty sure there is a TSB for this......05-14-4.

1. What is wrong with Ford?

2. Do I need to tune the computer back to stock when I take it to Ford to fix this? I'm sure they will want to read the computer.

3. Is there a place (online) I can get a detailed description and copy of this TSB without having to pay?

Thanks

Mike97gt · May 2, 2007

ford said:
TSB
05-14-4 WRENCH LIGHT ON WITH BOTH DTC P2106 AND P2135 - VEHICLES BUILT 11/29/2004 AND PRIOR

Publication Date: June 30, 2005

FORD: 2003-2005 Thunderbird
2005 Crown Victoria, Mustang
2004-2005 Explorer, F-150
2005 E-Series, Expedition, F-Super Duty
LINCOLN: 2003-2005 LS
2005 Town Car, Navigator
MERCURY: 2005 Grand Marquis
2004-2005 Mountaineer

This article supersedes TSB 05-09-15 to update the Issue and Dealer Coding.

ISSUE:
Some vehicles built 11/29/2004 and prior may exhibit the wrench light on with both P2106 and P2135 diagnostic trouble codes (DTCs).

ACTION:
Replace the throttle position sensor (TPS) following the instruction sheet included in the TPS service kit. Reprogram the powertrain control module (PCM) to the latest calibration using WDS release B36.11 and higher, or B37.2 and higher. This new calibration is not included in the B37 CD. Calibration files are also available at www.motorcraft.com.

CAUTION: FAILURE TO FOLLOW THE TPS REMOVAL AND INSTALLATION PROCEDURE WILL RESULT IN DAMAGE TO THE TPS SCREWS.

PART NUMBER PART NAME
3L5Z-9B989-AA TPS (Kit)

LABOR OPERATIONS CLAIMING CHART
Operation Labor Operation Application Time
051404A Check For Codes, Reprogram PCM, 2003-2005 LS 3.9L 1.4 Hrs.
Replace The Throttle 2003-2005 LS 3.0L 0.7 Hr.
Position Sensor, And 2003-2005 T-bird 3.9L 1.4 Hrs.
Perform Final Quick 2004 Explorer 4.0L 0.6 Hr.
Test (Do not use 2004 Explorer 4.6L 0.7 Hr.
with: 12650D, 12650D84, 12650D1, 12650DX1) 2005 Explorer 4.0L And 4.6L 0.7 Hr.
2004 Mountaineer 4.0L 0.6 Hr.
2004 Mountaineer 4.6L 0.7 Hr.
2005 Mountaineer 4.0L And 4.6L 0.7 Hr.
2004-2005 F-150 4.6L 0.6 Hr.
2004-2005 F-150 5.4L 3V 0.7 Hr.
2005 Mustang 4.0L 3V And 4.6L 3V 0.7 Hr.
2005 Crown Victoria 0.7 Hr.
2005 Grand Marquis 0.7 Hr.
2005 Town Car 0.7 Hr.
2005 F-Super Duty 5.4L 3V And 6.8L 3V 0.7 Hr.
2005 E-Series 4.6L, 5.4L and 6.8L 0.9 Hr.
2005 Expedition 5.4L 3V 1.0 Hrs.
2005 Navigator 5.4L 3V 1.0 Hrs.

WARRANTY STATUS:
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage

DEALER CODING
BASIC PART NO. CONDITION CODE
9E928 42

Now to answer your questions.

1. everything

2. yes I would and then reflash it after they are done.

3. I can get them for you. But I can't link you to it because it's on a ford internal website.

stang8urimport · May 2, 2007

TSB 05-14-4

07/25/05

WRENCH LIGHT ON WITH BOTH DTC P2106 AND
P2135 - VEHICLES BUILT 11/29/2004 AND PRIOR

FORD:
2003-2005 Thunderbird
2005 Crown Victoria, Mustang
2004-2005 Explorer, F-150
2005 E-Series, Expedition, F-Super Duty

LINCOLN:
2003-2005 LS
2005 Town Car, Navigator

MERCURY:
2005 Grand Marquis
2004-2005 Mountaineer

This article supersedes TSB 05-09-15 to update the Issue and Dealer Coding.

ISSUE
Some vehicles built 11/29/2004 and prior may exhibit the wrench light on with both P2106 and P2135 diagnostic trouble codes (DTCs).

ACTION
Replace the throttle position sensor (TPS) following the instruction sheet included in the TPS service kit. Reprogram the powertrain control module (PCM) to the latest calibration using WDS release B36.11 and higher, or B37.2 and higher. This new calibration is not included in the B37 CD. Calibration files are also available at the website.

CAUTION FAILURE TO FOLLOW THE TPS REMOVAL AND INSTALLATION PROCEDURE WILL RESULT IN DAMAGE TO THE TPS SCREWS.

Parts Block

Labor Operations Claiming Chart

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage

DEALER CODING
CONDITION
BASIC PART NO. CODE
9E928 42

ALLDATAs changes their pictures url often, so the pics might go away soon.

bigcat · May 2, 2007

here is a link to the TSB. it is in a PDF, so you will need to have adobe reader installed. print it off and take it in with you.

http://www.stangnet.com/images/stories/docs/s197_TSBs/05-14-4.pdf

we have most of the TSBs up in our tech articles section of stangnet main. http://www.stangnet.com/Tech-Articles/

DarkFireGT · May 2, 2007

Be careful. You may need to have your tune updated after they recalibrate your PCM. I know that sometimes you do with the XCal, I don't know if it's the same for the Predator.

modular81 · May 2, 2007

DarkFireGT said:
Be careful. You may need to have your tune updated after they recalibrate your PCM. I know that sometimes you do with the XCal, I don't know if it's the same for the Predator.

With the predator you shouldn't need new tunes. Diablosport predators are different from the sct xcal2. He just needs to put his stock intake and tune back in so he doesn't loose his diablo tunes and and have the tsb on the tps and pcm reflash performed under warranty. Once done, reinstall cai/tune and have fun. if he ever switches to sct for some reason then his calibration code on the pcm under the hood is no longer correct and he needs to know what new code his current code updates to. when the dealer updates his pcm the code will more than likely change as well.

DarkFireGT · May 2, 2007

I kind of figured as much, but I thought I'd throw it out there anyway, as a precaution.

miloman · May 18, 2007

UPDATE

Well, I'm getting sick of trying to deal with Ford. They aren't going to take my word for it. I haven't taken the car back in but I know they aren't willing to fix the problem. So, I bought the TPS kit the TSB says to use. I can install the TPS but how am I going to reprogram the PCM? Does it even need it? The instructions with the kit doesn't say anything about the PCM. The TSB sheet does, but the kit instructions does not.

ericsfo · Jun 2, 2011

Hate to raise a 3 yr old post but I just got a 2005 Mustang GT with 60K on it. Over the last 2 months I have had the car going into the engine failsafe mode. It has happen 3 times but no engine light. I had Autozone check for soft codes and these were there. Now today engine safe mode 2 times and the second one I get the light, checked at autozone and they are hard codes now.

I will attempting to clean everything again as another site suggested. The throttle body was pretty dirty and that cleaning seemed to help but obviously not.

So I plan on replace it myself but I can not recalibrate the PCM myself. So never saw an answer, does it need to be done? If soo question can someone else but the dealership do it? Lastly, either way how much does it cost? Seems to me Ford should at least do the recal for free but I am sure they won't.

Thanks

FordCustSrvc · Jun 6, 2011

Hi ericsfo,

Welcome to the forum! I can understand how frustrating it must be to be experiencing this on your Mustang. A recall is issued when Ford and the National Highway Traffic and Safety Administration work together to proactively identify areas of concern. There was not a recall for this issue. A Technical Service Bulletin (TSB) is a supplement to a vehicle's repair manual and does not suggest nor provide additional coverage outside of the warranty. If you choose to have it diagnosed at your local dealer, they will provide you with a written estimate before beginning the repair.

~Natasha

ericsfo · Jun 7, 2011

Hey Natasha I appreciate the response all be it a bit of a corporate type response.

I was not saying a "recall" but a "recal"ibration of the PCM. This what they should do for free at a minimum. Changing the part is easy the PCM is not if you don't have the tools.*
I understand the point of recalls but if you, Ford, put out a bad designed part why should the consumer pay to right the wrong. I understand parts fail but in this case it is well noted it was a design flaw not a part that just ran it's life cycle.*

The cost of parts will be about 75-100 and to recalibrate the PCM I am sure will be about the same. So I am out 100+ because of a design flaw. That's all I was saying.

Thanks Eric

ericsfo · Jun 7, 2011

Ok just talked to the ford service dept, 90$ to recalibrate the PCM. Sorry but what a rip off. A faulty Ford part and even if I replace it at my expense it still cost me another 90 ford to recalibrate it. Sounds like a win win for Ford and a lose lose for the consumer.

So is the PCM recalibration necessary or will it work fine without? That is the question I had originally.

tw1960 · Jan 17, 2013

Hi, all. Hope someone can shed some light on this problem. Two months ago, while driving around town, the "wrench" light came on in my '05 Mustang (63,000 pampered miles). The car went into "limp" mode. I was near a Firestone store so I took it there for repair. They ran diagnostics and replaced the throttle position sensor (TPS). They used a Ford part. A week later, the same thing happened. Firestone then stuck in a NEW, new TPS. One week later -- same problem once again. Firestone threw up their hands and apologized for not being able to diagnose the problem. Money refunded. Reluctantly I then took the car to the local Ford dealer. They declared that the throttle body needed replacement. They wanted $840 to replace this $350 part. I said "No dice" and had another garage install it. One day later -- SAME problem returns!

Some time ago, I accepted the fact that this expensive Mustang (which I bought nearly new from a dealer - only 3,000 miles on it) is a flat-out lemon (bad weld in the front cowl, resulting in catastrophic passenger compartment flooding during heavy rains; defective fuel-fill auto-shutoff mechanism in gas tank, causing fuel nozzles to shut off every couple of seconds, even if the tank is empty; exterior paint literally rubbing off of the surfaces of the car; and most recently a broken gear shift mechanism that causes the red needle to stay on "P" all the time, regardless of what gear the car is in.

But I still owe money on this miserable car and have little choice but to have this "wrench light" problem definitively repaired.

Can anyone offer any suggestions? Many thanks.

gearheadboy · Jan 17, 2013

tw1960 said:
Hi, all. Hope someone can shed some light on this problem. Two months ago, while driving around town, the "wrench" light came on in my '05 Mustang (63,000 pampered miles). The car went into "limp" mode. I was near a Firestone store so I took it there for repair. They ran diagnostics and replaced the throttle position sensor (TPS). They used a Ford part. A week later, the same thing happened. Firestone then stuck in a NEW, new TPS. One week later -- same problem once again. Firestone threw up their hands and apologized for not being able to diagnose the problem. Money refunded. Reluctantly I then took the car to the local Ford dealer. They declared that the throttle body needed replacement. They wanted $840 to replace this $350 part. I said "No dice" and had another garage install it. One day later -- SAME problem returns!

Some time ago, I accepted the fact that this expensive Mustang (which I bought nearly new from a dealer - only 3,000 miles on it) is a flat-out lemon (bad weld in the front cowl, resulting in catastrophic passenger compartment flooding during heavy rains; defective fuel-fill auto-shutoff mechanism in gas tank, causing fuel nozzles to shut off every couple of seconds, even if the tank is empty; exterior paint literally rubbing off of the surfaces of the car; and most recently a broken gear shift mechanism that causes the red needle to stay on "P" all the time, regardless of what gear the car is in.

But I still owe money on this miserable car and have little choice but to have this "wrench light" problem definitively repaired.

Can anyone offer any suggestions? Many thanks.

Not sure why you posted in this thread instead of creating a new one. The purpose of this site is to be a community for Mustang enthusiasts and yes we help each other with problems. That said, your 8 yr old car is not a lemon. My advise first to you would be stick with one garage so they can be familiar with the problem and attempts to repair it. Modern cars and electronics are tough to diagnose. Take the car to the dealer, explain what has occurred and what has been attempted. Allow them to make the diagnosis and repair. Best of luck.

tw1960 · Jan 17, 2013

Thanks for your reply, Gearheadboy. I may be old-fashioned, but I paid $25,000 for this car and it has a few too many manufacturing defects, which are acknowledged by Ford (for which they offer no recalls and no fixes). So I do consider it a lemon. (Details above, in my original post. -- Cowl needs re-welding, entire car needs proper paint job, and [according to the dealer last week] it needs a differently-designed gas tank, but none is available for the Mustangs produced when mine was manufactured.)

computer codes P2106 and P2135 help

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