System Diagram
NOTE:
For vehicles equipped with pre-collision assist, the CCM does not communicate directly on the HS-CAN2. The CCM communicates with the IPMA on a private CAN, and the IPMA communicates on the HS-CAN2. For description and diagnostic information, refer to the Collision Waning and Collision Avoidance System article.
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NOTE:
The TCM on gasoline engines and automatic transmission vehicles is physically located in the PCM and communicates independently of the PCM.
Module Network Chart
| Module Name | Network Type | Terminating Module |
|---|---|---|
| ABS module | HS-CAN2 | No |
| ACM | HS-CAN3 | No |
| AHCM (if equipped) | MS-CAN | No |
| APIM (Gen 3) | HS-CAN1 | No |
| HS-CAN3 | No | |
| HS-CAN4 | No | |
| AWD module (if equipped) | HS-CAN1 | No |
| BCM | HS-CAN1 | No |
| DCMG (if equipped) | MS-CAN | No |
| DCMH (if equipped) | MS-CAN | No |
| GFM2 (Upfitter Switch) (if equipped) | HS-CAN1 | No |
| GWM | HS-CAN1 | Yes |
| HS-CAN2 | Yes | |
| HS-CAN3 | Yes | |
| HS-CAN4 | Yes | |
| MS-CAN | Yes | |
| HVAC module | MS-CAN | Yes |
| IPC | HS-CAN3 | Yes |
| IPMA (if equipped) | HS-CAN2 | No |
| IPMB (if equipped) | HS-CAN2 | No |
| PAM (if equipped) | HS-CAN2 | No |
| PCM/ ECM | HS-CAN1 | Yes |
| PSCM (EPAS) (if equipped) | HS-CAN2 | No |
| RBM (if equipped) | MS-CAN | No |
| RCM | HS-CAN2 | No |
| RTM (if equipped) | MS-CAN | No |
| SCCM | HS-CAN2 | Yes |
| SODL (if equipped) | MS-CAN | No |
| SODR (if equipped) | MS-CAN | No |
| TBM (if equipped) | HS-CAN2 | No |
| TCM (integrated with PCM) | HS-CAN1 | No |
| TCU | HS-CAN4 | Yes |
| TRM (if equipped) | MS-CAN | No |