P24EF

Control Module Wake-up Circuit/Open

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$6–56 (est.)

Symptoms

The car won't start
The module is not activated
Check Engine Light Is On
Loss of communication with the module
Malfunctions in vehicle systems

Causes

Broken wires in the wake-up circuit
Poor contact in connectors
Control module malfunction
Relay or fuse problems
Short circuit in the circuit

How to Fix

Check the integrity of the wake-up circuit wires
Inspect and clean connector contacts
Check fuses and relays
Test the control module
Replace damaged components

Related codes

P24EE P24F0 P24F1