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Old 12-30-2004, 09:47 AM
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Join Date: Dec 2004
Posts: 4
1998 C200 ASR / ABS Problem HELP!


I had a problem with ASR/ABS not working. Got the car diagnosed and found out I had a faulty Brake Light Switch. Got that replaced and everything worked fine for a couple of days...

Today, the high pressure pump won't shut off - even when the car is off ! -
Had to disconnect the wires.

I get too error codes:

C1401 High Pressure Return Pump Circuit Open/Shorted; Will Not Shut Off.
C1305 RR Solenoid Hold Pressure.

Checked all the wires and unplugged them from the control unit but the pump just stays on and ASR/ABS are not working.

What could be wrong now??? Pump Relay? Control Unit?



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Old 01-01-2005, 06:39 PM
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Join Date: Dec 2004
Posts: 4
Exclamation Anybody?

Can anybody tell me what to check. I tried everything I know.

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Old 01-01-2005, 07:17 PM
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Join Date: Jul 2000
Posts: 638
ABS/ASR pump stuck on

probably a stuck relay try banging on it.
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Old 01-02-2005, 03:26 AM
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Join Date: Dec 2004
Posts: 4

Originally Posted by Kebowers
probably a stuck relay try banging on it.

I hope so. That would be the best solution

Any idea where the relay is? Is it inside the fuse box or in the hydraulic unit itself?

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