Communication K-Lines
WARNING: This page is about a different car, the 2006 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.
The K-Lines are a group of circuits that connect each control module to the Data Link Connector (DLC). Each control module is connected to the DLC with a single K-Line. The DRBIII® uses the K-Line to communicate with each control module. With the use of the K-Lines the DRBIII® is able to read each control modules DTCs, sensor displays, I/Os etc. If DRBIII® communications with a particular control module is lost, one of the possible causes could be a fault in the module's K-Line.
NOTE:
It is important to note the DRBIII® uses the K-Lines for diagnostic and monitoring functions and is no way connected to the CAN data bus network.
The following modules that use the K-line on this vehicle are:
- Airbag Control Module (ACM)
- Automatic Temperature Control (ATC)
- Cabin Heater Module (CHM)
- Central Timer Module (CTM)
- Controller Antilock Brake (CAB)
- Engine Control Module (ECM)
- Heater Booster Module (HBM)
- Instrument Cluster (IC)
- Shifter Assembly (SA)
- Security System Module (SSM)
- Sentry Key Remote Entry Module (SKREEM)
- Transmission Control Module (TCM)