Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On

TROUBLE DIAGNOSIS FOR SYMPTOMS

Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On


1. CHECK BCM CONNECTORS

1.Turn ignition switch OFF.
2.Disconnect BCM harness connectors M18 and M20.
3.Check terminals for damage or loose connections.
Are any of the BCM connectors loose or damaged?
YES- Repair or replace damaged parts.
NO- GO TO 2.

2. CHECK BCM POWER SUPPLY AND GROUND CIRCUITS

Component Tests and General Diagnostics.
Are the BCM power supply and ground circuits OK?
YES- Replace BCM. Service and Repair.
NO- Repair BCM power supply or ground circuits.