Dosing Pump Circuit: Short to Ground

Test 1:

Test 2 - 3:

SYMPTOM
B1820 DOSING PUMP CIRCUIT: SHORT TO GROUND

WHEN MONITORED
During Dosing Pump activation.

SET CONDITION
This DTC Will set if the DCHA Control detects a high current draw on the

POSSIBLE CAUSES
- Dosing pump shorted to ground
- Dosing pump control circuit shorted to the ground circuit
- Dosing pump control circuit shorted to ground
- DCHA control unit fault