U0058

Vehicle Communication Bus D (+) Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

Unstable operation of electronic systems
The indicator light on the dashboard comes on
Lost connection with some modules
Problems starting the engine
Infotainment system malfunctions

Causes

Open or short circuit in the positive line of the CAN D bus
Oxidation of contacts in connectors
Fault in one of the modules connected to the bus
Wiring harness damage
Problems with module power supply

How to Fix

Check the integrity of the CAN D bus wiring
Inspect and clean the contacts in the connectors
Check fuses associated with modules
Diagnose modules connected to the bus
Check resistance and voltage in the bus

Related codes

U0057 U0059 U0060