What does P053C mean?

The breather heater circuit is shorted to the battery voltage (VB). This indicates an unintended connection between the heater circuit and the main power supply.

• Wiring harness short circuit
• Internal short within the breather heater element
• Faulty connection

Click steps to track your progress.

1. 1

   Examine the breather heater wiring for any shorts to the battery positive terminal.

2. 2

   Check the breather heater itself for internal shorts.

3. 3

   Verify that all connections are properly insulated and seated.