Chrysler Concorde 2004 Service Manual page 1127

Symptom:
SYSTEM OVER VOLTAGE
When Monitored and Set Condition:
SYSTEM OVER VOLTAGE
When Monitored: Ignition on. The CAB monitors the Fused B(+) circuit at all times for
proper system voltage.
Set Condition: If the voltage is above 16.5 volts, the Diagnostic Trouble Code (DTC) is set.
INTERMITTENT DTC
BATTERY CHARGER CONNECTED
FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT HIGH
DAMAGED CAB/CAB HARNESS CONNECTOR
CAB - GROUND CIRCUIT OPEN
CAB - INTERNAL FAULT
TEST
1 Turn the ignition on.
With the DRBIII , read DTC's.
With the DRBIII , erase DTC's.
Turn the ignition off.
Turn the ignition on.
Start the engine.
With the DRBIII , read DTC's.
Does the DRBIII display SYSTEM OVER VOLTAGE?
Yes → Go To 2
→ Go To 7
No
2 Is a battery charger connected to the vehicle?
Yes → Ensure the battery is fully charged.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
Perform ABS VERIFICATION TEST - VER 1.
31
BRAKES (CAB)
APPLICABILITY
All
All