Chrysler Sebring, Stratus sedan, Sebring Convertible. Manual — part 51
Symptom:
ATC MESSAGES NOT RECEIVED
When Monitored and Set Condition:
ATC MESSAGES NOT RECEIVED
When Monitored:
With the ignition in run, and the IOD fuse installed.
Set Condition:
The BCM does not receive any messages from the Automatic Temperature
Control (ATC) module for at least 18 seconds.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE AUTOMATIC TEMPERATURE CONTROL MODULE
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, enter Body then Automatic Temp Control.
Was the DRB able to I/D or communicate with the ATC?
All
Yes
→ Go To 2
No
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRB, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC’s.
Did this DTC reset?
All
Yes
→ Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
189
COMMUNICATION
Symptom:
BATTERY POWER TO MODULE DISCONNECTED
When Monitored and Set Condition:
BATTERY POWER TO MODULE DISCONNECTED
When Monitored:
With the ignition on.
Set Condition:
The BCM receives ignition on voltage, but no battery power feed.
POSSIBLE CAUSES
VERIFYING ACTIVE DTC
FUSED B+ CIRCUIT - JUNCTION BLOCK
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Connect the DRB to the Data Link Connector.
Turn the ignition on.
With the DRB, erase BCM DTC’s.
Turn the ignition off then turn the ignition on.
With the DRB, read BCM DTC’s.
Did this DTC reset?
All
Yes
→ Go To 2
No
→ No problem found at this time. Use the wiring diagrams located in
the service information to help isolate a possible intermittent
wiring problem.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Remove the BCM from the Junction Block.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Junction Block Body Control Module connector cavity 12.
Is the test light illuminated?
All
Yes
→ Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Junction Block in accordance with the service infor-
mation.
Perform BODY VERIFICATION TEST - VER 1.
190
COMMUNICATION
Symptom:
BOOTLOADER CHECKSUM FAILURE
When Monitored and Set Condition:
BOOTLOADER CHECKSUM FAILURE
When Monitored:
At battery connect.
Set Condition:
The BCM fails the bootloader checksum test.
POSSIBLE CAUSES
BOOTLOADER CHECKSUM FAILURE
TEST
ACTION
APPLICABILITY
1
Connect the DRB to the Data Link Connector.
Turn the ignition on.
With the DRB, erase BCM DTC’s.
Turn the ignition off then turn the ignition on.
With the DRB, read BCM DTC’s.
Did this DTC reset?
All
Yes
→ Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
191
COMMUNICATION
Symptom:
EEPROM CHECKSUM FAILURE
When Monitored and Set Condition:
EEPROM CHECKSUM FAILURE
When Monitored:
Continuously.
Set Condition:
The BCM fails EEPROM checksum test.
POSSIBLE CAUSES
EEPROM CHECKSUM FAILURE
TEST
ACTION
APPLICABILITY
1
Connect the DRB to the Data Link Connector.
Turn the ignition on.
With the DRB, erase BCM DTC’s.
Turn the ignition off then turn the ignition on.
With the DRB, read BCM DTC’s.
Did this DTC reset?
All
Yes
→ Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
192
COMMUNICATION
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