B1251

Diagnostic Routine C

Diagnostic Overview

B1251:00

Normal Operation and Fault Conditions

REFER to Tire Pressure Monitoring System .

Visual Inspection and Diagnostic Pre-checks

- Inspect for Non-OEM wheels or run-flat tires.

- Verify horn operation.

DTC Fault Trigger Conditions






Special Tool(s)






Pinpoint Test

1. TRAIN THE TIRE PRESSURE SENSORS TO DETERMINE THE INOPERATIVE SENSOR

1. Train all 4 tire pressure sensors. REFER to Tire Pressure Monitoring System (TPMS) Sensor Training - Intelligent Access (IA) Tire Pressure Monitoring System (TPMS) Sensor Training - Intelligent Access (IA) or REFER to Tire Pressure Monitoring System (TPMS) Sensor Training - Integrated Keyhead Transmitter (IKT) Tire Pressure Monitoring System (TPMS) Sensor Training - Integrated Keyhead Transmitter (IKT).

Did all of the tire pressure sensors transmit correctly and did the horn sound when each TPMS (Tire Pressure Monitoring System) sensor was trained?