2006 DODGE RAM SRT-10 Service Repair Manual

Page 857 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual When Monitored:
Ignition on.
Set Condition:
Low voltage detected at the WIF signal circuit at the ECM.
Possible Causes
OTHER DTC’S PRESENT
WATER IN FUEL
ECM
INTERMITTENT CONDITION
Always perform the

Page 858 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual P2502-CHARGING SYSTEM ERROR
For a complete wiring diagramRefer to Section 8W.

Page 859 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual When Monitored:
While the engine is running.
Set Condition:
The ECM cycles the voltage regulator in the generator while monitoring fora change in output voltage. If the
voltage does not drop when the

Page 860 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 4.HIGH RESISTANCE IN THE GROUND CIRCUIT
Measure the voltage between the generator case and the B- post of the battery.
Is the voltage above .1 volts?
Ye s>>
Repair the high resistance in the ground ci

Page 861 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual P2503-CHARGING SYSTEM OUTPUT LOW
For a complete wiring diagramRefer to Section 8W.

Page 862 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual When Monitored:
While the engine is running.
Set Condition:
The battery voltage exceeds target voltage by more than a calibrated value.
Possible Causes
OTHER DTC’S PRESENT
GENERATOR
FIELD DRIVER CIR

Page 863 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 3.FIELD DRIVER CIRCUIT SHORTED TO GROUND
Disconnect the ECM harness connectors.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance of the generator field driver circuit between

Page 864 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual P2504-CHARGING SYSTEM OUTPUT HIGH
For a complete wiring diagramRefer to Section 8W.