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
- VERIFY BCM IS PROGRAMMED WITH CORRECT TIRE/WHEEL INFORMATION
TIRE SIZE BODY STYLE ENGINE SIZE SALES CODE TIRE CIRCUMFERENCE (MM) P245/45ZR 20 BSW GOODYEAR ALL SEASON LX ALL TR9 2208 P245/45ZR 20 GOODYEAR AS PERF LX ALL TTX 2208 P255/45ZR 20 GOODYEAR PERF LX ALL TTH 2237 P245/45R 20 BSW GOODYEAR AS PERF LX ALL TVJ 2208 P225/60R 18 BSW MICHELIN AS PERF LX ALL TWM 2207 P215/65R 17 BSW ALL SEASON LX ALL TW1 2154 P225/60R 18 BSW CONTI TOURING LX ALL TRS 2204 P225/60R 18 BSW CONTI TOURING LX ALL TW9 2204 P215/65R 17 BSW ALL SEASON LX ALL TWH 2154 - Inspect all four tires on the vehicle and note the size of each tire.NOTE:
A non-production size tire cannot be programmed into the BCM. The production Powertrain, with the production size tires, is the only emissions certified configuration that is available for reprogramming.
- Verify the correct Tire/wheel information is programmed in the BCM.
Is the correct value programmed in the BCM according to the chart?
Yes
- Replace the Body Control Module (BCM) in accordance with service information. Refer to MODULE, Body Control , Removal .
- Refer to Standard Procedure and perform the DTCM VERIFICATION TEST.
No
- Program the correct Tire/Wheel information in the BCM.
- Refer to Standard Procedure and perform the DTCM VERIFICATION TEST.
- Inspect all four tires on the vehicle and note the size of each tire.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.