Question about 2001 Chevrolet Silverado 1500

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I have a 2001 chev Silverado with following codes, CO267, co265,co245, co251, co267. abs and check engine light is on, any ideas? Is it the ebcm? thanks

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  • Expert
  • 46 Answers

I don't have a code book for Silverado.But you can call dealer and they can tell you what the codes are.

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

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SOURCE: abs codes co281 & co265

the first of the two codes is for the brake light switch, the one that is under the dash attached to the brake rod and brake peddle. Not much to diag on that one, if its bad it's bad, and when it sets the code that means it's bad.
The second one is for the abs modual, it's under the truck on the drivers side. It is bolted to the top of the thing that has all of the brake lines going to it. MOST all of the time that code is set the modual is bad. It can be a little hard to get the bolts out they are torqs 20 or 25(i'm getting old). There are four of them holding down the modual. There are also a couple of connectors going to it. And some of the time it will blow the fuse for the abs under the hood(its in the underhood fues block). Make sure to clean off the modual before you pull it out. You don't want dirt getting in the solinoids for the BPMV(that's the thing it's bolted to).

Posted on Oct 20, 2009

BeninVa
  • 389 Answers

SOURCE: co265 ebcm motor relay circuit p/n 88982286

Hello, your EBCM is located on the frame underneath the vehicle just below the driver's seat. Sorry, I don't have a picture of it. Have you had brake work done recently?

Posted on Mar 06, 2010

  • 32 Answers

SOURCE: I have a 2001 chevrolet

looks like you need an ebcm. You can check the ground under the drivers side door attached to the frame, make sure it is clean and tight.



DTC C0241-C0254 or C041-C054
Circuit DescriptionThe ABS relay supplies battery voltage to 6 valve solenoids. The electronic brake control module (EBCM) microprocessor applies the grounds needed to activate each solenoid. The low side of each solenoid coil has a feedback circuit to the EBCM microprocessor. When a solenoid is commanded OFF, the feedback voltage is high. When a solenoid is commanded ON, the feedback voltage is low.
Conditions for Running the DTC • The ignition is ON. • The vehicle speed is greater than 6 km/h (4 mph). Conditions for Setting the DTCThe EBCM detects an internal malfunction.
Action Taken When the DTC Sets C0241, C0242, C0245, C0246, C0251, C0252, C0253, C0254If equipped, the following actions occur:
• The EBCM disables the DRP/ABS. • The ABS indicator turns ON. • The red brake warning indicator turns ON. C0243, C0244, C0247, C0248If equipped, the following actions occur:
• The EBCM disables the ABS. • The ABS indicator turns ON. Conditions for Clearing the DTCThe conditions for setting the DTC are no longer present and you use the scan tool Clear DTCs function.
Diagnostic AidsAn intermittent open/shorted solenoid DTC can be set by several different internal EBCM problems. Replace the EBCM if an open/shorted solenoid DTC continues to set intermittently.
Step
Action
Yes
No
1
Did you perform the ABS Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - ABS
2

  1. Use a scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC set?
Go to Step 3
Go to Diagnostic Aids
3
Important: Following EBCM replacement, use the scan tool to perform the Tire Size Calibration procedure and the Trim Level Calibration procedure, if applicable.
Replace the EBCM. Refer to Electronic Brake Control Module Replacement .
Did you complete the replacement?
Go to Step 4
--
4
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?
Go to Step 3
System OK

Posted on Jul 29, 2011

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1 Answer

2007 chevy silverado check engine light code CO201


ABS code not check engine light code .
DTC C0201 00: Antilock Brake System (ABS) Enable Relay Contact Circuit
The solenoid relay, located within the electronic brake control module (EBCM), supplies battery voltage to all of the valve solenoids.
Circuit/System Verification
With scan tool installed, clear the DTCs then drive the vehicle in a straight line at a speed greater than 20 km/h (13 mph). If the DTC did not set as a current DTC see diagnostic aids.
Circuit/System Testing
Test for an open or a short to ground in the battery positive voltage circuit to the EBCM. Verify no open or a short to ground is found.
Test the EBCM ground circuit, an open or high resistance.
? If an open or a short to ground is found, repair the circuit.
Replace the EBCM assembly.

DTC C0201 (Equal to or over 8600 GVW)
The system relay, located within the electronic brake control module (EBCM), supplies battery voltage to all of the valve solenoids and to the Antilock Brake System (ABS) pump motor. When the relay contacts close, the EBCM monitors the voltage supplied to the valve solenoids and compares this voltage to monitored ignition voltage.
Action Taken When the DTC Sets
• The EBCM disables the ABS/DRP.
• The ABS indicator turns ON.
• The brake warning indicator turns ON

Aug 08, 2017 | Cars & Trucks

1 Answer

How to repair abs EBCM


EBCM relay is the actual fault code cause. EBCM stands for Electronic Brake Control Module. ECBM stands for Electronic Brake Control Module. It is the big part that the brake lines go into and back out of from the MasterCyl and to the Brakes. It is also the ABS motor all in one. The relay is under the hood at the Fuse/Relay center just inbetween the EBCM/ABS and AirIntake. Relays are big and square. The underside of the Fuse/Relay center cover has the ID and placement embossed into it of everything in the F/R center. Be sure to check the fuses first. The relay needs power to operate and the EBCM or ABS or Brake fuse will be the one for it. Good luck!

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& how to diagnose them

Sep 08, 2013 | 2004 Chevrolet Avalanche

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2001 Oldsmobile Alero Service Engine light, ABS, and Traction light keep coming on. No code, only history. Can not get the history to clear??


Only the computer can clear history codes . If the problem was fixed in about 100 ignition cycles the computer will clear this codes . Code reader . will it check Codes in the EBCM - electronic brake control module ? ABS DTC'S

Aug 18, 2017 | 2001 Oldsmobile Alero

1 Answer

I have a 2001 chevrolet silverado with the following codes C0265,CO241 C0245 C0246 CO251. ABS & BRAKE LIGHT COME ON AND OFF Thanks Joey


looks like you need an ebcm. You can check the ground under the drivers side door attached to the frame, make sure it is clean and tight.



DTC C0241-C0254 or C041-C054
Circuit DescriptionThe ABS relay supplies battery voltage to 6 valve solenoids. The electronic brake control module (EBCM) microprocessor applies the grounds needed to activate each solenoid. The low side of each solenoid coil has a feedback circuit to the EBCM microprocessor. When a solenoid is commanded OFF, the feedback voltage is high. When a solenoid is commanded ON, the feedback voltage is low.
Conditions for Running the DTC • The ignition is ON. • The vehicle speed is greater than 6 km/h (4 mph). Conditions for Setting the DTCThe EBCM detects an internal malfunction.
Action Taken When the DTC Sets C0241, C0242, C0245, C0246, C0251, C0252, C0253, C0254If equipped, the following actions occur:
• The EBCM disables the DRP/ABS. • The ABS indicator turns ON. • The red brake warning indicator turns ON. C0243, C0244, C0247, C0248If equipped, the following actions occur:
• The EBCM disables the ABS. • The ABS indicator turns ON. Conditions for Clearing the DTCThe conditions for setting the DTC are no longer present and you use the scan tool Clear DTCs function.
Diagnostic AidsAn intermittent open/shorted solenoid DTC can be set by several different internal EBCM problems. Replace the EBCM if an open/shorted solenoid DTC continues to set intermittently.
Step
Action
Yes
No
1
Did you perform the ABS Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - ABS
2
  1. Use a scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC set?
Go to Step 3
Go to Diagnostic Aids
3
Important: Following EBCM replacement, use the scan tool to perform the Tire Size Calibration procedure and the Trim Level Calibration procedure, if applicable.
Replace the EBCM. Refer to Electronic Brake Control Module Replacement .
Did you complete the replacement?
Go to Step 4
--
4
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?
Go to Step 3
System OK

Jul 29, 2011 | 2001 Chevrolet Silverado 1500

1 Answer

Co265 ebcm motor relay circuit p/n 88982286 error code 26 where is the part located and are there photo's of this ebcm for a 2000 silverado 4x4


Hello, your EBCM is located on the frame underneath the vehicle just below the driver's seat. Sorry, I don't have a picture of it. Have you had brake work done recently?

Mar 06, 2010 | 2000 Chevrolet Silverado 1500

1 Answer

The abs and brake lights are on in my dash. ran a test. came up co265. what do i do with that?????


The relay internal in the EBCM is failing you will need to replace it to fix the problem.. pretty expensive part easy to install

Oct 23, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

2000 ABS relay location


Unfortunately the ABS relay is built into the EBCM. Electronic Brake Control Module. That is located on the frame rail, left side of vehicle and sits on top of the pump. Both parts are likely to be replaced together as getting the module off the pump can be difficult. I recommend a repair facility do this job but it can be done at home. You will likely need to take loose metal brake lines and that can be quite a task also.
Are you getting a code for the relay / EBCM?

Good luck
Please rate my answers if they helped.
Brett

Mar 20, 2009 | 2001 Chevrolet Silverado

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