DTC C0240

Circuit Description

The PCM monitors various parameters and will not allow traction control operation if any parameter falls below a specified value.

Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

The PCM detects a malfunction and then causes TCS shut down until the malfunction has been corrected.

Action Taken When the DTC Sets

If equipped, the following actions occur:

Conditions for Clearing the DTC

Diagnostic Aids

Test Description

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

  1. This step checks if DTC C0240 resets.





Schematic Reference: ABS Schematics


Did you perform the Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - ABS


  1. Turn the ignition switch to the RUN position with the engine off.
  2. Using a Scan Tool, read the ABS/TCS DTCs.

Are any other DTCs set?

Go to Diagnostic Trouble Code (DTC) List for the appropriate DTC table

Go to Step 3


Is DTC C0240 set as a current code?

Go to Step 5

Go to Step 4


  1. Using the scan tool clear the DTC.
  2. Remove the scan tool from the DLC.
  3. Carefully drive the vehicle above 12 km/h (8 mph) for several minutes.

Did DTC C0240 set as a current DTC?

Go to Step  5

Go to Diagnostic System Check - ABS


Perform the Powertrain OBD System Check. Refer to Diagnostic System Check - Engine Controls in Engine Controls-5.7L.

Did the vehicle pass the OBD System Check?

Go to Testing for Intermittent and Poor Connections in Wiring Systems

Go to Step  6


  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