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2009 Honda Accord ABS No Communication - Voltage Issue at ABS Module

Model: 2009 Honda Accord Fault Code: P0500 Posted: 2018-01-27 12:54

I own a 2009 Honda Accord that experienced a hard impact to the right front corner, but the frame rail was not damaged. After the collision, the ABS and VSA systems show no communication. All power and ground connections at the ABS/VSA module are confirmed good. The F-can pins have continuity to both the gauge cluster and DLC. However, when the key is on, I measure 3.9V and 3.4V at the ABS connector — higher than the expected values of 2.4V and 2.6V respectively. With the key off, both pins read only 0.5V. The ABS system remains completely unresponsive, with no communication detected. I suspect a faulty ABS/VSA module, but I'm unsure what to check or where to look if the voltage is too high. Can anyone confirm whether these elevated voltages indicate a problem or point to a specific fault location? Any guidance on diagnosing this issue would be greatly appreciated.

Related fault codes
P0500
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