Jeep Grand Cherokee WK. Manual — part 1541
C2113–DRIVETRAIN SENSOR SUPPLY VOLTAGE CIRCUIT OPEN (FDCM) (CONTINUED)
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
With the ignition on and no system undervoltage or overvoltage condition present.
•
Set Condition:
The Final Drive Control Module detects that the 5V Supply (Reference) Voltage is correct, but the Transfer
Case Selector Switch and Mode Sensor indicate a low voltage condition.
Possible Causes
INTERMITTENT DRIVETRAIN SENSOR SUPPLY VOLTAGE CIRCUIT OPEN
(K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT OPEN
(K594) DRIVETRAIN SENSOR RETURN CIRCUIT OPEN
FINAL DRIVE CONTROL MODULE
Diagnostic Test
1.
DTC IS ACTIVE
Ignition on.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
>> Go to 2
No
>> Go to 5
2.
(K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT OPEN
Turn the ignition off.
Disconnect the Transfer Case Motor harness connector.
Disconnect the Final Drive Control Module C2 harness connector.
Measure the resistance of the (K504) Drivetrain 5 Volt Supply circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (K504) Drivetrain 5 Volt Supply circuit for an
open.
Perform the TRANSFER CASE VERIFICATION TEST-
VER 1.
No
>> Go to 3
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WK
C2113–DRIVETRAIN SENSOR SUPPLY VOLTAGE CIRCUIT OPEN (FDCM) (CONTINUED)
3.
(K594) DRIVETRAIN SENSOR RETURN CIRCUIT OPEN
Measure the resistance of the (K594) Drivetrain Sensor Return circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (K594) Drivetrain Sensor Return circuit for an
open.
Perform the TRANSFER CASE VERIFICATION TEST-
VER 1.
No
>> Go to 4
4.
FINAL DRIVE CONTROL MODULE
View repair.
Repair
Replace the Final Drive Control Module in accordance with the Service information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1.
5.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
>> Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1.
No
>> Test complete.
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TRANSFER CASE - ELECTRICAL DIAGNOSTICS
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C2201-INTERNAL CONTROLLER (FDCM)
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
With the ignition on.
•
Set Condition:
The Final Drive Control Module has detected a failure internal to the controller.
Possible Causes
FINAL DRIVE CONTROL MODULE
1.
FINAL DRIVE CONTROL MODULE
NOTE: This DTC may set after updating the controller software. Erase this DTC, cycle the ignition off for 10
seconds and recheck. If this DTC resets, proceed with repair procedure. If it does not reset, repair is com-
plete.
The Final Drive Control Module has detected an internal failure.
View repair
Repair
Replace the Final Drive Control Module in accordance with the Service Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1.
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C2206-CONFIGURATION ERROR (FDCM)
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
With the ignition on.
•
Set Condition:
The Final Drive Control Module hardware check has determined that module configuration does not match
vehicle configuration.
Possible Causes
FINAL DRIVE CONTROL MODULE CONFIGURATION
1.
FINAL DRIVE CONTROL MODULE CONFIGURATION
The Final Drive Control Module hardware check has determined that module configuration does not match vehicle
configuration. Verify that the correct module part number is installed in the vehicle.
Turn the ignition on.
With the Scan Tool, verify that the VIN stored in the controller matches the vehicle VIN.
With the Scan Tool, select Clear Stored DTCs.
Cycle the ignition off, then on.
With the Scan Tool, select View DTCs.
Does this DTC reset?
Yes
>> Replace the Final Drive Control Module in accordance with the Service Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1.
No
>> Test complete.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1.
WK
TRANSFER CASE - ELECTRICAL DIAGNOSTICS
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