JCB P2428-17: Exhaust Catalyst Temperature T4 Physical Signal Above Maximum Limit

The physical signal from the exhaust catalyst temperature sensor T4 is exceeding the maximum allowable limit, indicating an abnormal condition in the exhaust system.

1. 1

   The exhaust catalyst temperature T4 sensor

2. 2

   The wiring and connections to the exhaust catalyst temperature T4 sensor

3. 3

   The component identified by this code