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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 187 (ANTILOCK BRAKE SYSTEM AND TRACTION CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C0245TEST DESCRIPTION
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Test Description

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Test Description
WARNING: This page is about a different car, the 2005 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  If DTC C0245 is a history code, this step checks if a specific Wheel Speed Circuit Malfunction DTC is set concurrently with DTC C0245.
  2. 7:  This step checks if the wheel speed sensor harness is routed in close proximity to the spark plug wires.
  3. 9:  In this step, if the scan tool can record any erroneous wheel speed sensor signals, diagnose that sensor(s) first.
DTC C0245

Step Action Yes No
Schematic Reference: ABS Schematics 
Connector End View Reference: ABS Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2  Is the following DTC(s) set concurrently with a history DTC C0245?
  • DTC C0036
  • DTC C0041
  • DTC C0046
  • DTC C0051
 Go to Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information Go to Step 3 
3 Inspect the wheel speed sensor for physical damage.
Is physical damage of the wheel speed sensor evident?		 Go to Step 4  Go to Step 5 
4 Replace the wheel speed sensor. Refer to Wheel Bearing/Hub Replacement - Front in Front Suspension and Wheel Bearing/Hub Replacement - Rear in Rear Suspension.
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 or connector. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.
Is the replacement complete?		 Go to Step 14  -
7  Inspect wiring harness for proper routing of the wheel speed sensor harness. Verify that the wheel speed sensor harness is routed away from the spark plug wires.
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 40 km/h (25 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 in Vehicle DTC Information.
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 40 km/h (25 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 Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Is the repair complete?		 Go to Step 14  -
13 Replace the electronic brake control module (EBCM). Refer to Control Module References in Computer/Integrating Systems 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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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.