2014 Honda Accord ABS Codes After Swap

2014 HONDA ACCORD
181,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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ABDULLAHKW
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Hi, I replaced my ABS module with a used one from a junkyard, and now I’m getting these DTCs: 86-13, 51-12, and 151-11. I checked all the wiring connections using the wiring diagram, and everything has a good connection with no shorts. However, I noticed something strange with DTC 151-11—it’s related to low tire air pressure, but my vehicle doesn’t have TPMS! This makes me think that the junkyard ABS module came from a different trim. Can Honda HDS fix this problem? Please confirm, as I don’t want to waste more money.
Feb 8, 2025 at 12:09 AM
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STRAILER
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Yes, the Honda HDS system may be able to reprogram the module.

86-13 - ABS/TCS/Brake System Control Module Malfunction

This code is because the programming does not match the car. and the last two codes can go away once the correct problem has been installed/loaded.

51-12 - Lateral Acceleration Sensor Malfunction

151-11 - Low Tire Air Pressure Signal Malfunction

Bleed the brake system, this video can help:

https://www.youtube.com/watch?v=nQRnKyVyMuQ

Do the VSA modulator-control unit update
Do the VSA sensor neutral position memorization
Do the steering angle sensor neutral position clear

Here are the instructions on how to change out the ABS module correctly. Check out the images (below). Let us know how it goes.
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Feb 8, 2025 at 9:42 AM
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Hello,
If you still need a bit more help on this issue:

1. If the part number is wrong, no amount of programming or calibration will eliminate those 3 codes. When a module is a match, you must still perform, an all sensor reset ( which will reset the steering angle sensor) and a TPMS recalibration as described by the first reply.

But most importantly, to confirm the part number is correct look at the golden/brown letters written in the black section of your module. It will say T2FA0 OR T2FA1 etc. It will start with a T followed by numbers and letters. I have attached an image obtained from a guide that explains everything more thoroughly. https://autopartsfix.com/honda-accord-abs-repair-guide

2. Junkyard units or used units from ebay can have the same problems as your original since they fail due to a manufacturing deficiency. At one point most of these abs modules from Hondas 2008-2017 will need to be refurbished or replaced with new ones from the dealer.
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Nov 6, 2026 at 5:38 PM
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STRAILER
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Good info!
Nov 7, 2026 at 11:16 AM

Suggested Repair

Confirm the used ABS module part number matches the vehicle (the T2FA marking on the module). If it does not match, programming will not clear codes 86-13, 51-12, and 151-11, so install the correct module. If it matches, use Honda HDS to update the VSA modulator-control unit, perform the VSA sensor neutral-position memorization, clear or reset the steering-angle sensor, and complete any required TPMS recalibration. Bleed the brake system. If codes remain, the used module may have the same internal failure and may need refurbishment or a new dealer unit.

Conversation Summary

The owner of a 2014 Honda Accord installed a used junkyard ABS module and then received codes 86-13, 51-12, and 151-11. Wiring was checked with no shorts found, and the low-tire-pressure code seemed odd because the vehicle has no TPMS. One reply said Honda HDS may reprogram a mismatched module, after which the other codes may clear, and recommended bleeding the brakes plus VSA and steering-angle sensor procedures. A later reply said the wrong part number cannot be fixed by programming and that the module marking must match; a matching unit still needs sensor resets and TPMS recalibration. Used Honda ABS modules from this era may also fail internally and need refurbishment or replacement.

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