Diagnostic Test
WARNING: This page is about a different car, the 2021 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
VERIFY BODY CONTROL MODULE (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 | LD | ALL | TR9 | 2208 |
| P245/45ZR 20 GOODYEAR AS PERF | LD | ALL | TTX | 2208 |
| P255/45ZR 20 GOODYEAR PERF | LD | ALL | TTH | 2237 |
| P245/45R 20 BSW GOODYEAR AS PERF | LD | ALL | TVJ | 2208 |
| P225/60R 18 BSW MICHELIN AS PERF | LD | ALL | TWM | 2207 |
| P215/65R 17 BSW ALL SEASON | LD | ALL | TW1 | 2154 |
| P225/60R 18 BSW CONTI TOURING | LD | ALL | Transmission Range Switch (TRS) | 2204 |
| P225/60R 18 BSW CONTI TOURING | LD | ALL | TW9 | 2204 |
| P215/65R 17 BSW ALL SEASON | LD | ALL | TWH | 2154 |
| 245/45ZR 20 BSW PERF | LD | ALL | TVH | |
| 235/55R 19 BSW ALL SEASON | LD | ALL | TPS | |
| 235/55R 19 BSW AS PERF | LD | ALL | TDX | |
| 245/55R 18 BSW PERF | LD | ALL | TYL | |
| 235/55R 18 BSW AS PRF | LD | ALL | TWN | |
| 225/60R18 BSW PERF | LD | ALL | TWM | |
| 225/60R 18 BSW PERF | LD | ALL | TWW |
- 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 BCM in accordance with Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL .
- 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 .