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ProMaster 2500
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Communication Devices
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Body Control Module (BCM) - DTCS U170-86 To U1935-8F
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DTC Troubleshooting
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U1804-08-Lin 4 - Bus Signal/Message Failures
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Set Condition
Set Condition
The Body Control Module (BCM) detects the LIN Bus 4 circuit is shorted to ground or battery voltage for greater than three seconds.