B0978

Accessory Indicator Control Circuit

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$6–56 (est.)

Symptoms

The accessory indicator does not work
Flashing or unstable indicator
No dashboard backlight

Causes

Open or short circuit in wiring harness
Blown fuse
Control unit malfunction
Problems with contacts in the circuit

How to Fix

Check the fuses associated with the indicator circuit
Inspect the wiring harness for damage
Check contacts and connectors in the circuit
Test the control unit for faults
Replace faulty components

Related codes

B0977 B0979 B0980