Specifications

Symptom List:
P2242-ABS BRAKE MESSAGE PLAUSIBILITY 1
P2242-ABS BRAKE MESSAGE PLAUSIBILITY 2
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P2242-ABS BRAKE MESSAGE
PLAUSIBILITY 1.
POSSIBLE CAUSES
CAB DTCS
CHECKING BRAKE SWITCH INPUT
CONTROLLER ANTILOCK BRAKE MODULE
TCM DTCS
VERIFY CAB COMMUNICATION
VERIFY TCM COMMUNICATION
TEST ACTION APPLICABILITY
1 NOTE: This DTC can be set if the vehicle operator depresses the brake pedal
and the accelerator at the same time (riding the brake pedal). Check with
vehicle operator for this type of driving behavior.
Turn the ignition on.
With the DRBIIIt attempt to communicate with the CAB.
NOTE: If there are other DTCs set with this DTC, refer to the Symptom List
and repair other stored ECM DTCs before diagnosing this DTC.
Is the CAB communicating with the DRB?
All
Yes → Go To 2
No → Refer to the appropriate symptom in the Body Diagnostic Infor-
mation.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition on.
With the DRBIIIt, read the CAB DTCs.
Are there any CAB DTCs?
All
Yes → Refer to symptom list for problems related to CAB.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 Turn the ignition on.
With the DRBIIIt attempt to communicate with the TCM.
Is the TCM communicating with the DRB?
All
Yes → Go To 4
No → Refer to the appropriate symptom in the Body Diagnostic Infor-
mation.
Perform BODY VERIFICATION TEST - VER 1.
192
DRIVEABILITY - DIESEL