Chrysler Town, Dodge Caravan. Manual — part 919
Symptom:
IOD WAKE UP PSD & PLG SHORT
When Monitored and Set Condition:
IOD WAKE UP PSD & PLG SHORT
When Monitored:
Anytime the Body Control Module is awake.
Set Condition:
If the BCM senses an over current signal on any of the Wake Up Signal
circuits this code will set.
POSSIBLE CAUSES
DTC PRESENT
BODY CONTROL MODULE - IOD WAKE UP SHORT
LEFT SLIDING DOOR WAKE UP SIGNAL WIRE SHORT TO VOLTAGE
LIFTGATE MODULE WAKE UP SIGNAL WIRE SHORT TO VOLTAGE
RIGHT SLIDING DOOR WAKE UP SIGNAL WIRE SHORT TO VOLTAGE
LEFT SLIDING DOOR MODULE - IOD WAKE UP SHORT TO VOLTAGE
POWER LIFTGATE MODULE - IOD WAKE UP SHORT TO VOLTAGE
RIGHT SLIDING DOOR MODULE - IOD WAKE UP SHORT TO VOLTAGE
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Turn the ignition off, wait 1 minute then turn the ignition on.
Wait 10 seconds.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display IOD WAKE UP SHORT?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the BCM C2 and C3 connectors.
Using a 12-volt test light connected to ground, check each Wake Up Signal circuit.
On which circuit did the test light illuminate?
All
Left Sliding Door Wake Up Signal.
Right Sliding Door Wake Up Signal.
Liftgate Module Wake Up Signal.
Did not illuminate.
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
912
POWER DOORS - SLIDING
TEST
ACTION
APPLICABILITY
3
Disconnect the Body Control Module C3 connector.
Disconnect the Left Sliding Door Control Module C2 connector.
Measure the voltage between the Left Sliding Door Wake Up Signal circuit and
ground.
Is there any voltage present?
All
Yes
→ Repair the Left Sliding Door Wake Up Signal wire for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
4
Disconnect the Body Control Module C3 connector.
Disconnect the Right Sliding Door Control Module C2 connector.
Measure the voltage between the Right Sliding Door Wake Up Signal circuit and
ground.
Is there any voltage present?
All
Yes
→ Repair the Right Sliding Door Wake Up Signal wire for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
5
Disconnect the Body Control Module C2 connector.
Disconnect the Power Liftgate Module C2 connector.
Measure the voltage between the Liftgate Module Wake Up Signal circuit and
ground.
Is there any voltage present?
All
Yes
→ Repair the Liftgate Module Wake Up Signal wire for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
913
POWER DOORS - SLIDING
IOD WAKE UP PSD & PLG SHORT —
Continued
Symptom:
LEFT B-PILLAR SWITCH INPUT OPEN OR SHORT TO VOLTAGE
When Monitored and Set Condition:
LEFT B-PILLAR SWITCH INPUT OPEN OR SHORT TO VOLTAGE
When Monitored:
Continuously when the BCM is awake.
Set Condition:
When the BCM senses an input greater than 4.8 volts for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
LEFT SLIDING DOOR PILLAR SWITCH MUX CIRCUIT SHORT TO VOLTAGE
GROUND CIRCUIT OPEN
LEFT SLIDING DOOR PILLAR SWITCH MUX WIRE OPEN
LEFT B-PILLAR SWITCH OPEN
BODY CONTROL MODULE - LEFT SLIDING DOOR PILLAR SWITCH OPEN
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the left power sliding door from the Left B-Pillar Switch.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display LEFT B-PILLAR SWITCH INPUT OPEN OR SHORT TO
VOLTAGE?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Body Control Module C3 connector.
Measure the voltage between Left Sliding Door Pillar Switch Mux circuit and ground.
Is there any voltage present?
All
Yes
→ Repair the Left Sliding Door Pillar Switch Mux circuit for a short
to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Disconnect the Body Control Module C3 connector.
Measure the resistance between Left Sliding Door Pillar Switch Mux circuit and
ground.
Is the resistance below 20500.0 ohms?
All
Yes
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
914
POWER DOORS - SLIDING
TEST
ACTION
APPLICABILITY
4
Disconnect the B-Pillar Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit in the
B-Pillar Switch connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 5
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
Disconnect the Body Control Module C3 connector.
Disconnect the Left B-Pillar Switch connector.
Measure the resistance of the Left Sliding Door Pillar Switch Mux circuit between
the BCM C3 connector and the Left B-Pillar Switch connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 6
No
→ Repair the Left Sliding Door Pillar Switch Mux wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6
If there are no possible causes remaining, view repair.
All
Repair
Replace the B-Pillar Switch.
Perform BODY VERIFICATION TEST - VER 1.
915
POWER DOORS - SLIDING
LEFT B-PILLAR SWITCH INPUT OPEN OR SHORT TO VOLTAGE —
Continued
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