Question about 2007 Chevrolet Trailblazer

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Dtc c0035

After changing front bushings, abs and traction light came on with code C0035 , when checked with diagnostic devise it said rear right wheel ABS sensor open or shorted, so I reset the codes and it reappeared with code C0035 and still said rear right wheel.. and I know this trouble code when I looked it up meant front left wheel, why such conflict in diagnostic?

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Check that the sensor /wire was not damaged in the repair process. As the brake system is set up in a cross pattern left front and right rear and right front and left rear the code is reading the pair that is subject to failure. This crossing of the brakes is so if you have a brake failure and loss of fluid then half of the system is still operational and will allow stopping in a straight line rather than a side skid.

Posted on May 05, 2013

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Posted on Jan 02, 2017

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SOURCE: dtc C0035,C0040, P2227,P2228 ENGINE LIGHT

The C0035 and C0040 are speed sensors trouble codes. The P2227 and P2228 are baro sensor error codes. Causes for it to go out of range are broken wires, disconnected connector, or a bad sensor. Check the voltage to the white/black wire on the connector, It should show 5V

Posted on Sep 09, 2010

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Abslight stays on. How to fix? This is a2007trailblazer?


First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
DTC C0035 or C0040
DTC C0045 or C0050
DTC C0110
DTC C0131
DTC C0161
DTC C0186
DTC C0196
DTC C0201
DTC C0240
DTC C0241 or P0856
DTC C0244 or P1689
DTC C0245
DTC C0283
DTC C0287
DTC C0290 or C0292
DTC C0455
DTC C0550
DTC C0558

Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
• DTC C0035 Left Front Wheel Speed Sensor Circuit
• DTC C0040 Right Front Wheel Speed Sensor Circuit

Dec 30, 2016 | 2007 Chevrolet Trailblazer

1 Answer

Can you help with multiple electrical issues??


This vehicle is equipped with the BOSCH 5.3 antilock braking system.
The vehicle is equipped with the following braking systems:
• Antilock Brake System (ABS)
• Dynamic Rear Proportioning (DRP)
• Traction Control System (ETS) (w/NW7)
• Traction Control System (TCS) (w/NW9)
• Vehicle stability enhancement system (VSES) You need to have vehicle checked for DTC'S diagnostic trouble codes , do you know what they are ? The traction control , ABS an stability control are all a function of the electronic brake control system .It also seams the power steering is controlled by the Antilock brake system.The Magnasteer® is controlled through the ABS module and varies the torque by adjusting the current flow through the actuator.
Your best place to start would be to have ABS module scanned for DTC'S . Codes would point you in right diagnostic direction .
The following components are involved in the operation of the above systems:
• Electronic Brake Control Module (EBCM), The EBCM controls the system functions and detects failures.
The EBCM contains the following components:
- System Relay, The system relay is energized when the ignition is ON and no ABS DTCs are present. It supplies battery positive voltage to the solenoid valves and pump motor.
- Vent Tube, The vent tube, located in the EBCM, is an opening to the internal cavity of the EBCM. It allows ventilation of the EBCM internals.
• Brake Pressure Modulator Valve (BPMV), The BPMV contains the hydraulic valves and pump motor that are controlled electrically by the EBCM. The BPMV uses a 4 circuit configuration with a diagonal split. The BPMV directs fluid from the reservoir of the master cylinder to the left front and right rear wheels and fluid from the other reservoir to the right front and left rear wheels. The diagonal circuits are hydraulically isolated so that a leak or malfunction in one circuit will allow continued braking ability on the other.

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1 Answer

2005 truck. What are the probable causes of DTCs C0035,C0040,and C0201?


C0035 is ABS Sensor in left front wheel
C0040 is ABS Sensor in right front wheel
C0201 is ABS Enable Relay Contact Circuit
You most likely have a poor ground connection or a faulty EBCM (Electronic Brake Control Module) for these conditions. I recommend having someone run a diagnostic test at a shop. I doubt the ABS issue is stopping the truck from cranking.

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1 Answer

My 2007 Crown Victoria Police has the brake and abs light on, traction control is off. Brake pads and rotors are less than 5000 miles front, new rear. Get diagnostic code U1900 and U1262 front car.


You probably have a wheel speed sensor issue. With the proper scan tool that can access the ABS module it will tell you the exact issue.

Jan 12, 2016 | Cars & Trucks

1 Answer

Changed bearings and abs light and stabletrack still on do they reset after u replace the bearings and if so how long


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1 Answer

Light abs traction control stays 1998 buick park avenue


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Jul 12, 2014 | 1998 Buick Park Avenue

1 Answer

Abs light comes on


Have codes checked, most common is a failed left or right wheel speed sensor , part of front wheel hub/bearing assembly.

Jan 21, 2014 | 2002 Buick LeSabre

1 Answer

ABS LIGHT AND TRACTION CONTROL LIGHT STAYS ON


ABS = Anti-lock Brake System.
TC = Traction Control System (Engine Control Module).
If the ABS lights on the dashboard permanently the ABS system is faulty. You must access the ABS & TC Electronic Control Units (ECU) memory for pull out all DTC (Diagnostic Trouble Codes), using diagnostic equipment connected to the data link connector of the car. Then you will be full informed about bad pieces (e.g.: front right wheel abs sensor interrupted, ...). After bad pieces replacement you will be able to erase all faults memored by ABS ECU, in other words reset the ABS system and turn off the warning lamp on dashboard.

I suspect bad brake pedal switch, but you should scan the ABS & TC ECU's.

Jul 02, 2011 | 2001 Jaguar XJ8

1 Answer

Speedo suddenly not working and two warning lights appeared on dashboard one being ABS light warning light.


If the ABS (and likely the traction control) light came on at the same time that the speedometer stopped working, you likely have a faulty wheel speed sensor at the right rear wheel. You can test this by swapping the two rear wheel speed sensors (ABS sensors). If the speedometer then works (but the ABS & Traction control lights stay on), replace the sensor that is now at the left rear (was at the right rear). If no change, you may have a fault in the ABS & Traction control - control unit.

Rear wheel speed sensor at www.bavauto.com

http://www.bavauto.com/shop.asp?HC1=0&Htarget=search.asp&HCY=2001&HCM=330i&SearchStr=rear%20abs%20sensor

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1 Answer

I pulled the codes and here they are : C0036, C0035, C0040


Sounds like you need front wheel speed sensors. Replace the wheel bearings and sensors. May have an ABS unit fault, but more likely is both wheel bearings/speed sensors.

Jun 10, 2009 | 1999 Dodge Ram

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