The wrench and engine light turned on after replacing the battery?

Tiny
BTW7266
  • MEMBER
  • 2006 FORD F-250
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 59,000 MILES
I replaced the battery and now I have a wrench and engine light. When I put it in drive I have no acceleration.
Monday, June 24th, 2024 AT 4:52 PM

6 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
Hi,

That is an odd one. Have you tried scanning the computer to determine what diagnostic codes are stored? If the check engine light is on, there will be at least one code.

Also, recheck your work. Make sure nothing around or under the battery was disconnected or damaged.

If nothing is found, then we need to scan the computer.

Here is a link that explains how to scan the entire can-bus system:

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

If you don't have access to a scan tool, even a generic one, see if a local parts store will lend one to you. Often times they will.

Let me know.

Joe
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Monday, June 24th, 2024 AT 10:44 PM
Tiny
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Hi, I got 2. Codeam P2104 and P2112.I put my question into another forum, and everyone is saying I need to disconnect battery negative for 5 minutes. Turn on lights to drain excess power, then reconnect battery and start truck and light idle for 15 minutes and it resets everything. Does this sound correct?
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Tuesday, June 25th, 2024 AT 5:43 AM
Tiny
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I have not gotten to do that yet because I am at work.
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Tuesday, June 25th, 2024 AT 5:46 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
Hi,

I never heard of that, but anything is possible. Once the battery neg is disconnected, turning the light switch on won't complete any circuits, so I'm not sure where that came from. I do know that if you disconnect both terminals, tie them together with a zip tie, which will drain any capacitors that may be retaining power.

The codes you have are both related to the throttle actuator control system (TAC). Double check that none of the wiring has been damaged or disconnected. Also, if you had the air inlet tube off, make sure nothing is preventing the throttle plate to be stuck. The P2111 indicates the throttle body is stuck open.

Let me know.

Joe

See pic below.
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Tuesday, June 25th, 2024 AT 7:49 PM
Tiny
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Thank you.
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Wednesday, June 26th, 2024 AT 1:15 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
Hi,

No problem whatsoever. Let me know what you find.

Take care,

Joe
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Wednesday, June 26th, 2024 AT 8:47 PM

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