C1078-TIRE REVOLUTIONS RANGE PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
Continuously.
- Set Condition:
A comparison between the tire circumference value contained in the EEPROM and the tire circumference value received on the CAN bus. Programmed value for tire size is not within acceptable range.
| Possible Causes |
| INCORRECT VALUE PROGRAMMED INTO BCM |
Diagnostic Test
1. INCORRECT VALUE PROGRAMMED INTO BCM| TIRE SIZE | BODY STYLE | ENGINE SIZE | SALES CODE | TIRE DIAMETER |
| P225/75R 16 WRANGLER ST | KJ | ALL | TR7 | 746 |
| P235/70R 16 WRANGLER SR-A | KJ | ALL | TSN | 741.9 |
| P235/70R 16 WRANGLER SR-A | KJ | ALL | TSE | 734.6 |
| P235/65R 17 EAGLE RSA | KJ | ALL | TX7 | 738.6 |
| P235/65R 17 WRANGLER HP | KJ | ALL | TUP | 738.1 |
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 ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
- Program the correct Tire/Wheel information in the BCM.
- Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).