Conditions for Setting the DTC

C025E 00

• A short to ground is detected on the 5V reference circuit.
• A short to voltage is detected on the 5V reference circuit.

C025E 01

• A short to voltage is detected on the signal circuit.
• An open/high resistance is detected on the low reference circuit.

C025E 06

• An open/high is detected on the signal circuit.
• A short to ground is detected on the signal circuit.
• An open/high is detected on the 5V reference circuit.

C025E 1F 

The vacuum sensor signal is erratic.

C025E 5A 

The vacuum sensor signal is not plausible.