Which code to address first
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Which code to address first
I have a bunch of codes on my 2005 CRV. These codes came back within 20 minutes of a reset today. It has a new battery. Recently I heard a brake grinding sound and found that my left rear outer pad was worn completely away. The inner pad as well as the right side pads didn't have near as much wear. I replaced the rear rotors and pads. When I was doing the rear brakes with the rear up and the front on the ground, I noticed that the left rear wheel spins freely but the right rear wheel doesn't.
All these codes have been coming up since I bought the vehicle a year ago, they didn't just start when I noticed the brakes need work.
Since so many of the codes seem to be ABS related in addition to the brake problem, should I start with replacing that speed sensor? The ECM codes worry me since these are expensive I believe. Any suggestions?
In order that they were listed:
(SRS) 6-1 No DTC Definition
(ABS) 18-1 Left Rear Wheel Speed Sensor Malf.
(ABS) 26-1 Lateral Acceleration Sensor Malf.
(ABS) 61-1 Battery Voltage Malf
(ABS) 83-1 ECM PCM Relation Malf.
(ECM & MOD $09) P0325 Knock Sensor 1 Circuit Bank 1 or SIngle Sensor (3 Codes - current, temp, confirmed)
All these codes have been coming up since I bought the vehicle a year ago, they didn't just start when I noticed the brakes need work.
Since so many of the codes seem to be ABS related in addition to the brake problem, should I start with replacing that speed sensor? The ECM codes worry me since these are expensive I believe. Any suggestions?
In order that they were listed:
(SRS) 6-1 No DTC Definition
(ABS) 18-1 Left Rear Wheel Speed Sensor Malf.
(ABS) 26-1 Lateral Acceleration Sensor Malf.
(ABS) 61-1 Battery Voltage Malf
(ABS) 83-1 ECM PCM Relation Malf.
(ECM & MOD $09) P0325 Knock Sensor 1 Circuit Bank 1 or SIngle Sensor (3 Codes - current, temp, confirmed)
Honda-Tech Member
Joined: Sep 2002
Posts: 2,297
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From: CANADO
Re: Which code to address first
I would start with the battery voltage ABS fault. Good chance that one alone causes 3 of the 4 ABS faults. The wheel speed sensor may or may not be voltage related, that MAY actually be a sensor issue. Even then, that's probably just a dirty sensor from your brakes dragging this whole time.
Fix the brakes right. If you understand how brakes work, you'll be able to fix it correctly. Piston needs to move, caliper needs to slide, and pads need to slide, ebrake cable needs to be free. So of those 4 things, figure out which is your actual brake issue. You did pads and rotors, if you don't fix the actual root cause, you'll come back in 5000 miles to find the same wheel ate the brakes again.
The knock sensor isn't uncommon, I guess the sensor does go bad from time to time. I don't have the manual handy to help diagnosing it, but I suspect there are probably youtube vids you can find to help you.
Fix the brakes right. If you understand how brakes work, you'll be able to fix it correctly. Piston needs to move, caliper needs to slide, and pads need to slide, ebrake cable needs to be free. So of those 4 things, figure out which is your actual brake issue. You did pads and rotors, if you don't fix the actual root cause, you'll come back in 5000 miles to find the same wheel ate the brakes again.
The knock sensor isn't uncommon, I guess the sensor does go bad from time to time. I don't have the manual handy to help diagnosing it, but I suspect there are probably youtube vids you can find to help you.
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