P28C0

Ion Sense Module Supply Voltage Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Unstable engine operation
Misfires
Reduced engine power
Increased fuel consumption
Check Engine Light Illuminates

Causes

Open or short circuit in the module power supply circuit
Malfunction of the ion control module
Poor contact in connectors
Wiring harness damage
Problems with the engine control unit

How to Fix

Check the integrity of the module power supply circuit
Inspect connectors and connections for corrosion or damage
Check the module supply voltage
Test the ion control module
If necessary, replace the module or repair the wiring

Related codes

P28C1 P28C2 P28C3