Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Test
- CHECK FOR ANY SERVICE BULLETINS OR MODULE SOFTWARE UPDATES
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
Are there any applicable Service Bulletins or Flash updates?
Yes
- Perform the applicable repair.
- Perform the DRIVER ASSISTANCE SYSTEM MODULE (DASM) VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 2
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Go To 3
No
- Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to .
- CHECK THE MOUNTING OR OBSTRUCTIONS AND CALIBRATE THE DASM NOTE:
A secure and unmodified mounting location is critical to the proper operation of the DASM.
- Perform a thorough visual and physical inspection of the DASM and the mounting bracket and location.
- Check for but not limited to the following:
- Damaged, Bent or dislodged mounting and bracket.
- Obscured or out of alignment.
- Suspension modified.
- Windshield replaced.
Repair as necessary in accordance with the Service Information.
- Perform the DASM alignment procedure in accordance with the Service Information. Refer to MODULE, DRIVERS ASSISTANCE SYSTEM (DASM), MODULE PROGRAMMING .
- Perform the DRIVER ASSISTANCE SYSTEM MODULE (DASM) VERIFICATION TEST. Refer to STANDARD PROCEDURE .NOTE:
After repair of the Radar DTC, to erase this DTC it may require a power shutdown of 8 minutes or longer.
Did the DTC return?
Yes
- Replace and program the Driver Assistance System Module (DASM) in accordance with the Service Information. Refer to MODULE, DRIVERS ASSISTANCE SYSTEM (DASM), REMOVAL AND INSTALLATION .
- Perform the DRIVER ASSISTANCE SYSTEM MODULE (DASM) VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Repairing the mounting, obstruction, and/or calibration of the DASM repaired the fault.
Use the Manual With the Right Hardware
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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.
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