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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > General H2 Discussion

 
 
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Old 06-16-2011, 12:31 AM
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HUMTECH HUMTECH is offline
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Join Date: Sep 2003
Location: Canada
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Default Re: ABS PROBLEMS HELP!!!

Step
Action
Yes
No
Schematic Reference: Antilock Brake System Schematics
Connector End View Reference: Antilock Brake System Connector End Views
1
Did you perform the Diagnostic System Check - Vehicle?
Go to Step 2
Go to Diagnostic System Check - Vehicle
2
Is the following DTCs set concurrently with a history DTC C0245?
? DTC C0036
? DTC C0041
? DTC C0046
? DTC C0051
Go to Diagnostic Trouble Code (DTC) List - Vehicle
Go to Step 3
3
Inspect the wheel speed sensor (WSS) for physical damage.
Is physical damage of the WSS evident?
Go to Step 4
Go to Step 5
4
Replace the WSS. Refer to Front Wheel Speed Sensor Replacement or Rear Wheel Speed Sensor Replacement .
Is the replacement complete?
Go to Step 14
--
5
Inspect the wiring harness for physical damage.
Is physical damage of the wiring harness evident?
Go to Step 6
Go to Step 7
6
Repair the wiring harness. Refer to Wiring Repairs and Connector Repairs .
Is the replacement complete?
Go to Step 14
--
7
Check for proper routing of the wheel speed sensor harness. Check that the wheel speed sensor harness is routed away from the spark plug wires. Refer to Harness Routing Views .
Is the wheel speed sensor harness properly routed?
Go to Step 9
Go to Step 8
8
Reroute the wheel speed sensor harness away from the spark plug wires.
Is the reroute complete?
Go to Step 14
--
9
  1. Install a scan tool.
  2. Turn the ignition switch to the RUN position.
  3. Set the scan tool to Snap Shot Auto Trigger mode and monitor the wheel speed sensors.
  4. Carefully drive the vehicle above 12 km/h (8 mph) for several minutes.
Did the scan tool trigger on any of the wheel speed sensors?
Go to Step 10
Go to Step 11
10
Note which wheel speed sensor triggered the scan tool. Follow the appropriate Wheel Speed Sensor Malfunction DTC table for the wheel speed sensor that triggered. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Is the repair complete?
Go to Step 14
--
11
  1. Reconnect all previously disconnected components.
  2. Using a scan tool clear the DTC.
  3. Remove the scan tool from the DLC.
  4. Carefully drive the vehicle above 12 km/h (8 mph) for several minutes.
Does the DTC reset as a current DTC?
Go to Step 13
Go to Step 12
12
Malfunction is intermittent. Inspect all connectors and harnesses for damage that may result in an open or high resistance when connected. Refer to Connector Repairs and Wiring Repairs .
Is the repair complete?
Go to Step 14
--
13
Replace the electronic brake control module (EBCM). Refer to Control Module References for replacement, setup, and programming.
Is the replacement complete?
Go to Step 14
--
14
  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 2
System OK
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