Page 746 of 4284

Symptom:
OTIS MODULE MESSAGE MISMATCH (DIESEL)
When Monitored and Set Condition:
OTIS MODULE MESSAGE MISMATCH (DIESEL)
When Monitored: With the ignition on.
Set Condition: FCM has learned EC Mirror but the vehicle is Not equipped with EC
Mirror.
POSSIBLE CAUSES
INTERMITTENT CONDITION
CMTC/EVIC COMMUNICATION
CMTC/EVIC MODULE
FRONT CONTROL MODULE
TEST ACTION APPLICABILITY
1NOTE: All communication DTC(s) that may have set along with this DTC
must diagnosed before continuing.
NOTE: If the DTC EC Mirror Day/Night Line Fault is present in the EVIC
along with this DTC, diagnose the EC Mirror Day/Night Line Fault first
before continuing.
With the DRBIIIt, erase the DTC.
Cycle the ignition on and off several times, leaving the ignition on for at least 15
seconds.
With the DRBIIIt, read DTCs.
Did the DTC OTIS Module Message Mismatch reset?All
Ye s®Go To 2
No®Go To 4
2 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the CMTC/EVIC Module.
Can communication be established with the CMTC/EVIC Module?All
Ye s®Go To 3
No®Refer to the Communication Category and perform the appropri-
ate symptom.
Perform BODY VERIFICATION TEST - VER 1.
717
OVERHEAD CONSOLE
Page 747 of 4284

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Install a substitute CMTC/EVIC Module in place of the original module.
With the DRBIIIt, erase DTCs.
Turn the ignition on.
Cycle the ignition on and off, leaving the ignition in the on position for at least 15
seconds each time.
With the DRBIIIt, read DTCs.
Did the DTC reset?All
Ye s®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the CMTC/EVIC Module.
Perform BODY VERIFICATION TEST - VER 1.
4WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
718
OVERHEAD CONSOLE
OTIS MODULE MESSAGE MISMATCH (DIESEL) ÐContinued
Page 847 of 4284
Symptom:
LOSS OF BCM MESSAGES
When Monitored and Set Condition:
LOSS OF BCM MESSAGES
When Monitored: Whenever the ignition is on.
Set Condition: If the PLG Module losses communication with the BCM for over 5 seconds,
this code will set.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE BODY CONTROL MODULE
POWER LIFTGATE MODULE - LOSS OF BCM MESSAGES
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, enter Body then Body Computer.
Was the DRBIIItable to I/D or communicate with the BCM?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(s).
2 With the DRBIIIt, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC's.
Did this DTC reset?All
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
818
POWER DOORS - LIFTGATE
Page 848 of 4284
Symptom:
LOSS OF EATX MESSAGES
When Monitored and Set Condition:
LOSS OF EATX MESSAGES
When Monitored: Whenever the ignition is in the UNLOCK or RUN position.
Set Condition: If the PLG Module does not receive a PRNDL message for over 5 seconds,
this code will set.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE TRANSMISSION CONTROL MODULE
POWER LIFTGATE MODULE - LOSS OF EATX MESSAGES
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIItselect Transmission.
Was the DRBIIItable to I/D or communicate with the Transmission?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(S).
2 With the DRBIIIt, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC's.
Did this DTC reset?All
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
819
POWER DOORS - LIFTGATE
Page 849 of 4284
Symptom:
LOSS OF FCM MESSAGES
When Monitored and Set Condition:
LOSS OF FCM MESSAGES
When Monitored: Whenever the ignition is in the RUN position.
Set Condition: If the PLG Module does not receive a temperature message from the Front
Control Module for over 5 seconds, this code will set.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE FRONT CONTROL MODULE
POWER LIFTGATE MODULE - LOSS OF FCM MESSAGES
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, enter Body then Front Control Module.
Was the DRBIIItable to I/D or communicate with the FCM?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(S).
2 With the DRBIIIt, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC's.
Did this DTC reset?All
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
820
POWER DOORS - LIFTGATE
Page 850 of 4284
Symptom:
LOSS OF SBEC MESSAGES
When Monitored and Set Condition:
LOSS OF SBEC MESSAGES
When Monitored: Whenever the ignition is in the RUN position.
Set Condition: If the PLG Module does not receive a speed message from the Powertrain
Control Module for over 5 seconds, this code will set.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE POWERTRAIN CONTROL MODULE
POWER LIFTGATE MODULE - LOSS OF SBEC MESSAGES
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, select Engine.
Was the DRBIIItable to I/D or communicate with the Powertrain Control Module?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(S).
2 With the DRBIIIt, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC's.
Did this DTC reset?All
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
821
POWER DOORS - LIFTGATE
Page 925 of 4284
Symptom:
LOSS OF BCM MESSAGES
When Monitored and Set Condition:
LOSS OF BCM MESSAGES
When Monitored: Whenever the ignition is on.
Set Condition: If the PSD Module losses communication with the BCM for over 5 seconds,
this code will set.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE BODY CONTROL MODULE
POWER SLIDING DOOR MODULE - LOSS OF BCM MESSAGES
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, enter Body then Body Computer.
Was the DRBIIItable to I/D or communicate with the BCM?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(s).
2 With the DRBIIIt, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC's.
Did this DTC reset?All
Ye s®Replace the Power Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
896
POWER DOORS - SLIDING
Page 926 of 4284
Symptom:
LOSS OF EATX MESSAGES
When Monitored and Set Condition:
LOSS OF EATX MESSAGES
When Monitored: Whenever the ignition is on.
Set Condition: If the PSD Module does not receive a PRNDL message for over 5 seconds,
this code will set.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE TRANSMISSION CONTROL MODULE
POWER SLIDING DOOR MODULE - LOSS OF EATX MESSAGES
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, select Transmission.
Was the DRBIIItable to I/D or communicate with the Transmission?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(s).
2 With the DRBIIIt, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC's.
Did this DTC reset?All
Ye s®Replace the Power Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
897
POWER DOORS - SLIDING