DESCRIPTION:This code sets when the aftertreatment control module (ACM) detects a short to ground on pins 9, 15, or 39.

MONITORED PARAMETER:High side digital output 3 circuit.

TYPICAL ENABLING CONDITIONS:Always enabled

MONITOR SEQUENCE:None

EXECUTION FREQUENCY:Always enabled

TYPICAL DURATION:Two seconds

DASH LAMPS:1. MIL2. CEL

ENGINE REACTION:None

VERIFICATION:Cycle the ignition key from the off position to the on position.

PROBABLE CAUSES:1. Doser heater.2. Doser heater lines 1, 3, or 4.3. ACM (Aftertreatment Control Module) failure.4. Short to battery between ACM pins 9, 15, 39, or 2 and their components.5. Reconnect items in #4 one at a time and clear the fault code after each connection. When fault becomes active, replace the components.