Pinpoint Test I : DTC (Diagnostic Trouble Code) U0131:87: Notes
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The IPMA communicates with the PSCM through the HS-CAN. REFER to: Lane Keeping System - System Operation and Component Description
Possible Causes
- Communication network concern
- PSCM (integral to the steering gear)
- IPMA
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0131:87 | Lost Communication With Power Steering Control Module: Missing Message | Sets in continuous memory and on-demand in the IPMA if expected messages from the PSCM over the HS-CAN are not received. |