P2A9B

Alternative Fuel Tank Select Valve C Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Problems with switching between fuel types
Check Engine Light Illuminates
Reduced engine power
Increased fuel consumption

Causes

Fuel select valve malfunction
Open or short circuit in control circuit
Wiring Harness Problems
Engine control unit malfunction
Corrosion of contacts or connectors

How to Fix

Check valve control circuit integrity
Check the resistance of the fuel selector valve
Inspect connectors and wiring harness for damage
Check the operation of the engine control unit
Replace fuel selector valve if necessary

Related codes

P2A9A P2A9C P2A9D