U0541

Invalid Data Received From Entrapment Control Module B

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine or SRS light is on
Partial loss of security functions
Errors in other vehicle systems
Problems with automatic door unlocking

Causes

Safety module B fault
Open or short circuit in wiring
Poor contact in connectors
Control unit software error
Damage after an accident

How to Fix

Carry out diagnostics with a scanner
Check the integrity of wiring and connectors
Flash or replace the security module
Check the functionality of the system after repair
Repair only from an authorized dealer

Related codes

U0540 U0542 B0091