Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
C1242
- The voltage across the pump motor is between 1.7 - 10.2 volts for 2 seconds.
C1243
- The pump motor is stalled or turning slowly.