Brand: VOLVO
Category: Trucks
Document Type:
Language: EN
Manual for VNL - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 12:49 a.m.
Manual Publish Date: 1996-08-01
Warranty Summary
No warranty information is provided in this service manual.
This service manual provides information on the electrical system of VOLVO VNL and VNM trucks manufactured between 06.96 to 02.98. It covers electrical systems, switches and controls, fuse and relay locations, and lighting systems. The manual includes sections on troubleshooting circuit malfunctions, wire splicing, and component replacement procedures for various electrical parts of the truck.
Troubleshooting and error codes
| Problem | Possible Cause |
|---|---|
| Open Circuit | Break in wiring, loose connections, broken components, poor ground connections. |
| Short Circuit | Bare wires touching, insulation damage, component failure. |
| Grounded Circuit | Wire touching ground, circuit component contacting frame, oil/dirt/moisture on terminals. |