P0AB7

Engine Mount B Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Increased engine vibrations
Rattling sound from the engine compartment
Unstable engine operation at idle
Check Engine light comes on

Causes

Open or short circuit in control circuit
Active motor mount fault B
Poor contact in control circuit connectors
Engine control module malfunction
Wiring harness damage

How to Fix

Check the continuity of the engine mount B control circuit
Inspect connectors and contacts for corrosion or damage
Check the resistance and functionality of the active engine mount
If necessary, replace the engine mount or repair the wiring
Test the system after repair

Related codes

P0AB6 P0AB8 P0AB9