Jeep Grand Cherokee WK. Manual - part 509
B210E–BATTERY VOLTAGE HIGH – MEMORY MIRROR MODULE
For the Power Memory Mirror System circuit diagram (Refer to 8 - ELECTRICAL/POWER MIRRORS - SCHEMAT-
ICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously
•
Set Condition:
If the Driver / Passenger Memory Mirror Module senses voltage is greater than 16.9 volts on the (A931) Fused
B(+) circuit.
POSSIBLE CAUSES
BATTERY / CHARGING SYSTEM
DRIVER MEMORY MIRROR MODULE
PASSENGER MEMORY MIRROR MODULE
NOTE: Since this DTC can set in the Driver Door Module (DDM) and in the Passenger Door Module (PDM)
this procedure addresses both systems’ circuits and components. Select only that which applies to the sys-
tem you are diagnosing.
Diagnostic Test
1.
CHECK FOR ENGINE DTCs
Turn the ignition on.
With the scan tool, read engine DTCs.
Does the scan tool display any BATTERY VOLTAGE HIGH related DTCs?
Yes
>> Diagnose and repair the DTC(s). (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) for the diagnostic
test procedure(s).
No
>> If DTC B210E BATTERY VOLTAGE HIGH set in the Driver Door Module (DDM), Go To 2. If DTC B210E
BATTERY VOLTAGE HIGH set in the Passenger Door Module (PDM), Go To 3
2.
TEST FOR INTERMITTENT CONDITION – DDM
With the scan tool, erase DTCs
Start the engine and run for 2 minutes.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read Driver Door Module (DDM) DTCs.
Does the scan tool display: B210E–BATTERY VOLTAGE HIGH?
Yes
>> Replace the Driver Memory Mirror Module in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No
>> The conditions that caused this code to set are not present at this time.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
8N - 196
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
WK