U0057

Vehicle Communication Bus D (+) Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–33 (est.)

Symptoms

Check Engine light comes on
Malfunction of various vehicle systems
Problems starting the engine
Unstable operation of the dashboard
Errors in other modules

Causes

Broken wire in the CAN D+ bus
Poor contact in the connector
Short circuit in the circuit
Malfunction of one of the network modules
Wiring harness damage

How to Fix

Check the integrity of the CAN D bus wiring
Inspect connectors for oxidation or damage
Check resistance and continuity
Scan all modules for errors
Replace damaged wires or connectors

Related codes

U0055 U0056 U0058