Critical Tire Pressure BCM

CRITICAL TIRE PRESSURE - BCM



- When Monitored:
Ignition ON and Start positions.

- Set Condition:
When the BCM input from the TPM Module toggles one second Hi and one second Low.





1. CRITICAL TIRE PRESSURE CONDITION PRESENT
1. Turn the ignition on.
2. With the scan tool, read BCM and TPM Module DTCs.

Does the DRBIII(R) display CRITICAL TIRE PRESSURE?

Yes

- Check and adjust tire pressure.
- Perform TPM VERIFICATION TEST. TPM Verification Test

No

- Go To 2

2. INTERMITTENT CONDITION
1. Turn the ignition off.
2. Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
3. Visually inspect the related wire harness connectors. Look for broken, bent, pushed out, or corroded terminals.
4. Refer to any Hotline letters or Technical Service Bulletins that may apply.

Were any problems found?

Yes

- Repair as necessary.
- Perform TPM VERIFICATION TEST. TPM Verification Test

No

- Test Complete.