After hours of searching and trying to diagnosis this myself, I'm about to give up, but I could use some help first.
Yesterday I got the ABS, TRAC OFF, VSC OFF warning lights and constant buzzer when I started it up. This was shortly after I replaced a bunch of suspension parts (two short drives and about 24 hours later)
The timing of this is pretty strange to not be related to work I did. The only thing I can think of is that maybe I pinched/shorted an ABS sensor or put too much tension on them while changing the rear springs. That seems a lot more likely than the ABS motor going out at the same time, but I guess it's possible. It does seem weird though that I might have damaged an ABS sensor without triggering a specific code for it.
Codes:
• C1223 - ABS Control System Malfunction
• C1251 - Pump Motor is Locked/Open Circuit
Things I've checked so far:
• ABS sensors with a multimeter. They all seem to be within spec.
• There's no obvious visible damage to any of the sensor wires.
• Ran Techstream while driving to check if they were accurately reading the wheel speed. All looks good.
• Cleared codes and carefully drove around for a bit. Started and stopped a few times. A few hours later the warning lights and buzzer came back when I started it up.
Parts changed:
- Front lower control arms
- Front upper controls arms
- Rear springs
TLDR; I guess my main question is if it's possible for a damaged wheel ABS sensor to cause C1251? It feels like I could be chasing something that's not even possible. Thanks.
Yesterday I got the ABS, TRAC OFF, VSC OFF warning lights and constant buzzer when I started it up. This was shortly after I replaced a bunch of suspension parts (two short drives and about 24 hours later)
The timing of this is pretty strange to not be related to work I did. The only thing I can think of is that maybe I pinched/shorted an ABS sensor or put too much tension on them while changing the rear springs. That seems a lot more likely than the ABS motor going out at the same time, but I guess it's possible. It does seem weird though that I might have damaged an ABS sensor without triggering a specific code for it.
Codes:
• C1223 - ABS Control System Malfunction
• C1251 - Pump Motor is Locked/Open Circuit
Things I've checked so far:
• ABS sensors with a multimeter. They all seem to be within spec.
• There's no obvious visible damage to any of the sensor wires.
• Ran Techstream while driving to check if they were accurately reading the wheel speed. All looks good.
• Cleared codes and carefully drove around for a bit. Started and stopped a few times. A few hours later the warning lights and buzzer came back when I started it up.
Parts changed:
- Front lower control arms
- Front upper controls arms
- Rear springs
TLDR; I guess my main question is if it's possible for a damaged wheel ABS sensor to cause C1251? It feels like I could be chasing something that's not even possible. Thanks.
