Chrysler Town, Dodge Caravan. Manual - part 881
Symptom:
LEFT CYLINDER LOCK SWITCH INPUT OPEN OR SHORT TO
VOLTAGE
When Monitored and Set Condition:
LEFT CYLINDER LOCK SWITCH INPUT OPEN OR SHORT TO VOLTAGE
When Monitored:
At all times when battery power is supplied to the Body Control
Module.
Set Condition:
When the BCM senses voltage to the cylinder lock switch above 4.6 volts
for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
BODY CONTROL MODULE - LEFT CYLINDER LOCK SWITCH VOLTAGE LOW
CYLINDER LOCK SWITCH GROUND OPEN
CYLINDER LOCK SWITCH MUX OPEN
CYLINDER LOCK SWITCH OPEN
CYLINDER LOCK SWITCH MUX SHORT TO VOLTAGE
BODY CONTROL MODULE - LEFT CYLINDER LOCK SWITCH MUX SHORT TO VOLTAGE
TEST
ACTION
APPLICABILITY
1
NOTE: When this code is present, the VTSS indicator will illuminate solid during the
arming process.
With the DRBIII
t, record and erase DTC’s.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIII
t, read DTC’s.
Remove the key and operate the door locks several times from the Left Cylinder Lock
Switch while monitoring the DRBIII
t.
Wait 10 seconds.
Does the DRBIII
t display LEFT CYL LOCK SW 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.
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRBIII
t in Sensors, read the LEFT CYL LOCK SW voltage.
Does the DRBIII
t display 4.0 volts or greater?
All
Yes
→ Go To 3
No
→ Disconnect the BCM harness connector(s). Check connectors -
Clean/repair as necessary. If okay, replace the Body Control
Module.
Perform BODY VERIFICATION TEST - VER 1.
760
POWER DOOR LOCKS/RKE