This document is a CAT C-12 J1939 fault troubleshooting guide covering diagnostic code 0231-11 (fault 58) for Caterpillar on-highway truck engines. It details the conditions that generate this SAE J1939 Data Link communication fault, the electronic system response, and the step-by-step procedure to diagnose and repair the issue on 3406E, C-10, and C-12 engines.
Official CAT C-12 J1939 fault document details
| Brand | Caterpillar (CAT) |
| Model coverage | C-12 Truck Engine 9NS; also applies to 3406E, C-10 (configurations 8YS, 9NS, 5DS, 1LW) |
| System / Group | Diagnostic Trouble Codes — SMCS 1901-038 (Data Link) |
| Publication no. | RENR1328-08 |
| Year / Revision | Published 01/10/2008, updated 16/10/2008 |
| Pages | 1 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Document table of contents
- 0231-11 J1939 Data Link Fault (58) — Overview
- Conditions Which Generate This Code
- System Response — Electronic System Response
- Power Train Data Link Customer Parameter Programming (J1939, J1922, or None)
- Test Step 1: Powertrain Data Link Circuit — Test Procedure
Applicable truck models
This troubleshooting sheet applies to Caterpillar on-highway truck engines in the 3406E, C-10, and C-12 families, specifically configurations 8YS, 9NS, 5DS, and 1LW. The primary product listed is the C-12 Truck Engine 9NS00001-UP. It addresses vehicles equipped with the SAE J1939 or J1922 Data Link for power train control. Mechanics should contact the OEM dealer to confirm whether the vehicle was built to use J1922 or J1939 communication protocols. For additional Caterpillar service literature and parts information, visit Caterpillar’s official support page.
Who needs this C-12 J1939 fault manual
Fleet mechanics, independent diesel technicians, and workshop owners troubleshooting an active 0231-11 diagnostic code on CAT 3406E, C-10, or C-12 truck engines need this reference. It is essential for anyone diagnosing intermittent SAE J1939 Data Link communication failures or programming the Power Train Data Link customer parameter.
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