ABC - Drive Carefully error
06-14-2014, 09:57 PM
#1
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Cl 500
ABC - Drive Carefully error
I have a 2001 CL 500 and 3 days ago got the ABC - Drive Carefully error.
I took my car in to my personnel mechanic did multiple diagnostic checks and a pressure check overnight but the car did not lower nor has a leak. He change the fluid out anyways. but couldn't figure out what the issue is. Said he thinks its the tandem pump. I took the car back over the weekend and notice that when I initially start It up the error comes up, put it in drive move a couple yards and there's a severe vibration/runbling sound almost like a dirt bike winding down for about 3 seconds and than goes away and the Error clears? But only happens when the car sits and I initially start it , put it in drive and the car moves. after the initial vibration it never comes back until I park and start it again. I was thinking maybe the airmatic pump going bad? but not sure if that would make the ABC error come on. I don't think it would be the accumulator I think that gives you a constant low rumbling noise at low RPM's. Any ideas much appreciated.
I took my car in to my personnel mechanic did multiple diagnostic checks and a pressure check overnight but the car did not lower nor has a leak. He change the fluid out anyways. but couldn't figure out what the issue is. Said he thinks its the tandem pump. I took the car back over the weekend and notice that when I initially start It up the error comes up, put it in drive move a couple yards and there's a severe vibration/runbling sound almost like a dirt bike winding down for about 3 seconds and than goes away and the Error clears? But only happens when the car sits and I initially start it , put it in drive and the car moves. after the initial vibration it never comes back until I park and start it again. I was thinking maybe the airmatic pump going bad? but not sure if that would make the ABC error come on. I don't think it would be the accumulator I think that gives you a constant low rumbling noise at low RPM's. Any ideas much appreciated.
Last edited by truncalep; 06-14-2014 at 10:03 PM.
06-15-2014, 12:45 PM
#2
Super Moderator
More than likely your pulsation dampener is shot.
I would recommend checking all four nitrogen spheres. At the age of your car (whats the mileage?), my guess is your one or more of your spheres (dampeners / accumulators) are shot are about to be shot.
I would recommend checking all four nitrogen spheres. At the age of your car (whats the mileage?), my guess is your one or more of your spheres (dampeners / accumulators) are shot are about to be shot.
06-21-2014, 02:25 AM
#5
Pulsation damper is different from the accumulator (the three spheres)
At this age and mileage all of these need to be changed
But the grinding noise soon after startup is usually the abc pump
At this age and mileage all of these need to be changed
But the grinding noise soon after startup is usually the abc pump
06-27-2014, 01:42 PM
#6
Could you get your mechanic to give you the error codes?
Most of the time its actually pretty easy to diagnose errors in the abc system, and I am a DIY mechanic with only basic knowledge.
Low pressure will trigger an error code!
I have a link for pretty cheap pressure accumulators if you are from Europe.
David
Most of the time its actually pretty easy to diagnose errors in the abc system, and I am a DIY mechanic with only basic knowledge.
Low pressure will trigger an error code!
I have a link for pretty cheap pressure accumulators if you are from Europe.
David
07-11-2014, 03:56 PM
#7
Could you get your mechanic to give you the error codes?
Most of the time its actually pretty easy to diagnose errors in the abc system, and I am a DIY mechanic with only basic knowledge.
Low pressure will trigger an error code!
I have a link for pretty cheap pressure accumulators if you are from Europe.
David
Most of the time its actually pretty easy to diagnose errors in the abc system, and I am a DIY mechanic with only basic knowledge.
Low pressure will trigger an error code!
I have a link for pretty cheap pressure accumulators if you are from Europe.
David
P.M!!!
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07-15-2014, 04:55 PM
#8
Senior Member
Does anything need to be drained, pinched off, or pressure released to replace the accumulators?
Do I have to bleed the whole system or is there a bleed value just where the accumulator is connected?
Do I have to bleed the whole system or is there a bleed value just where the accumulator is connected?
Last edited by NRL; 07-15-2014 at 05:46 PM.
