ShopBaseComplete shop management for auto repair shops · $249/mo
Try ShopBase →
Home/DTC Codes/Ferrari/360 Modena/2004-2004 3.6L V8/U0039
U0039

LIN Bus A (-) Open

2004-2004 Ferrari 360 Modena 3.6L V8

Low SeverityNetworkGeneric (SAE)

The 2004 Ferrari 360 Modena is equipped with a 3.6L V8 engine. Below you'll find detailed u0039 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

The LIN bus A ground reference is open, preventing proper LIN communication.

Symptoms

  • LIN slave devices not responding
  • Erratic LIN device behavior

Common Causes

  • LIN ground wire open
  • Corroded ground connection
  • Broken ground splice

Diagnostic Steps

  1. Check LIN ground continuity
  2. Inspect ground connection points
  3. Test for proper ground at LIN devices

Repair Notes

Repair the open ground on the LIN bus circuit.

Related Codes

U0037LIN Bus A Communication PerformanceU0038LIN Bus A (+) Open

Other Network Codes

U0039 on Other Vehicles

Ferrari 296 GTB

2022-2022 3.0L V6 Hybrid

Ferrari 296 GTB

2023-2023 3.0L V6 Hybrid

Ferrari 296 GTB

2024-2024 3.0L V6 Hybrid

Ferrari 296 GTS

2022-2022 3.0L V6 Hybrid

Ferrari 296 GTS

2023-2023 3.0L V6 Hybrid

Ferrari 296 GTS

2024-2024 3.0L V6 Hybrid

Ferrari 360 Challenge Stradale

2005-2005 3.6L V8

Ferrari 360 Modena

2005-2005 3.6L V8

Common Questions

What does code U0039 mean on a 2004-2004 Ferrari 360 Modena?

U0039 stands for "LIN Bus A (-) Open". The LIN bus A ground reference is open, preventing proper LIN communication.

What are the symptoms of U0039 on a Ferrari 360 Modena?

Common symptoms of U0039 include: LIN slave devices not responding, Erratic LIN device behavior.

What causes U0039 on a 2004-2004 Ferrari 360 Modena?

Common causes of U0039 include: LIN ground wire open, Corroded ground connection, Broken ground splice.

Last updated: March 2026

View Labor Times | View Torque Specs | View Fluid Specs