P0EC7

A/C Power Supply Relay Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–22 (est.)

Symptoms

Air conditioner won't turn on
Irregular operation of the air conditioner
Delay in turning on the air conditioner
Malfunction indicator on the instrument panel

Causes

Faulty air conditioner power relay
Open or short circuit in control circuit
Poor contact in connectors
Problems with the control unit

How to Fix

Check the condition of the air conditioner power relay
Inspect the control circuit for damage
Check contacts in connectors
Replace relay if necessary
Diagnose the control unit if the problem persists

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