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
- ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DTCS PRESENT NOTE:
Make sure all tire/wheel sizes match and are at the correct tire pressure before continuing with this test.
- Ignition on, engine not running.
- With the scan tool, read DTCs in the ABS Module.
Are there any ABS DTCs present?
Yes
- Refer to ABS - DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure.
No
- Go To 2.
- VERIFY THE DTC IS ACTIVE NOTE:
This DTC must be active for the results of this test to be valid.
- INCORRECT VALUE PROGRAMMED INTO BCM
TIRE SIZE BODY STYLE ENGINE SIZE SALES CODE TIRE CIRCUMFERENCE (MM PER REV) P225/70R 16 ALL SEASON JC ALL TRD 2206 225/65R 17 BSW TOURING JC ALL TRF 2220 225/65R 16 BSW THREE SEASON JC ALL TUJ 2130 P225/65R 17 BSW A/S TOURING JC ALL TVK 2230 225/55R 19 BSW THREE SEASON JC ALL TWC 2250 P225//55R 19 BSW AS TOURING JC ALL TWV 2270 - Verify the correct tire/wheel information is programmed in the BCM.
Is the correct value programmed in the BCM according to the chart?
Yes
- Test complete.
- Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
No
- Program the correct Tire/Wheel information in the BCM.
- Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
- Verify the correct tire/wheel information is programmed in the BCM.
- INTERMITTENT WIRING AND CONNECTORS
- The conditions necessary to set this DTC are not present at this time.
- Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
- Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
- Using the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.
Were there any problems found?
Yes
- Repair as necessary.
- Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
No
- Test Complete.
NO RELATED
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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.