Dodge Ram Truck 1500-2500-3500. Manual - part 277
BATTERY VOLTAGE HIGH
For the Audio Amplifier system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIA-
GRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
If the module detects the battery voltage is greater than 16.5 volts for greater than 1 second.
Possible Causes
BATTERY VOLTAGE HIGH AT AMPLIFIER
CHARGING SYSTEM DTCS IN PCM
AMPLIFIER
1.
INTERMITTENT CONDITION
Cycle the ignition switch from on to off to on.
With the DRBIII
T
, read Amplifier DTCs.
Is the DTC active at this time?
Yes
>> Go To 2
No
>> The conditions that caused this code to
set are not present at this time. Use the
wiring diagrams/schematics as a guide
to locate and inspect the related wiring
and connectors.
Perform BODY VERIFICATION TEST -
VER 1.
2.
BATTERY VOLTAGE HIGH AT AMPLIFIER
With the DRBIII
T
in Data Display, read the Amplifier battery voltage.
Is the voltage greater than 16.5 volts?
Yes
>> Go To 3
No
>> Replace the Amplifier per Service Information.
Perform BODY VERIFICATION TEST - VER 1.
8A - 110
AUDIO - SRT10 - AMP - ELECTRICAL DIAGNOSTICS
DR/DH