Author
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Topic: 2004 Mustang GT ABS light on
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Built4Speed
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Member # 13873
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posted
Changed the rear speed sensors so far and still on. My OBD2 scanner doesn't see any Abs codes. Anyone know if there is a way to test if the module is bad?
-------------------- Built 4 Speed...Built 4 Cheap
Posts: 238 | From: Sacramento | Registered: Dec 2014
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JohnB
Tech Moderator
Member # 969
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posted
Have you checked/changed the main fuse?
-------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500
Posts: 6525 | From: Orlando FL/Redding CA | Registered: Mar 2002
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Built4Speed
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Member # 13873
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posted
All the fuses look good. I have power at pin 8 on the harness side connector. I'm guessing bad abs module? [ 2025-01-01, 07:46 PM: Message edited by: Built4Speed ]
-------------------- Built 4 Speed...Built 4 Cheap
Posts: 238 | From: Sacramento | Registered: Dec 2014
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Built4Speed
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Member # 13873
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posted
Here's what I've found in the shop manual. Going to send the module in for repair on eBay and see if that fixes my problem.
-------------------- Built 4 Speed...Built 4 Cheap
Posts: 238 | From: Sacramento | Registered: Dec 2014
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throttlepositionsensor
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Member # 14838
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posted
Did your module pass the voltage and resistance tests? Look for a replacement module at https://car-part.com It is a database of car parts from most wrecking yards in the nation. [ 2025-01-04, 04:43 PM: Message edited by: throttlepositionsensor ]
Posts: 131 | Registered: Dec 2022
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Built4Speed
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Member # 13873
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posted
Just got the module back after sending it away for repair and it is working. No abs light. Traction control works. I haven't dyno'd it yet but I'm pretty sure 15HP gain easily.
-------------------- Built 4 Speed...Built 4 Cheap
Posts: 238 | From: Sacramento | Registered: Dec 2014
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