P218B
Throttle/Fuel Inhibit B Circuit
P218B is an OBD-II diagnostic trouble code meaning: Throttle/Fuel Inhibit B Circuit. Common causes: open or short circuit in the circuit, throttle position sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Reduced engine power
- Engine transition to emergency mode
- Increased fuel consumption
- Unstable engine operation
- Check Engine light comes on
Causes
- Open or short circuit in the circuit
- Throttle Position Sensor Malfunction
- Problems with the engine control unit
- Wiring harness damage
- Contact corrosion
How to Fix
- Check continuity of throttle/fuel brake circuit
- Test the throttle position sensor
- Inspect and, if necessary, replace the wiring harness
- Check connections and contacts for corrosion
- Scan the engine control module for additional errors
Related codes
Error P218B by Vehicle Brand
FAQ
What does the P218B code mean?
P218B is an OBD-II diagnostic trouble code that indicates: Throttle/Fuel Inhibit B Circuit
What causes a P218B error code?
The most common causes of P218B include: Open or short circuit in the circuit; Throttle Position Sensor Malfunction; Problems with the engine control unit; Wiring harness damage.
How do I fix a P218B diagnostic trouble code?
To fix P218B: Check continuity of throttle/fuel brake circuit. Test the throttle position sensor. Inspect and, if necessary, replace the wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P218B?
Limited driving only, diagnose soon
How much does it cost to fix P218B?
The estimated repair cost for P218B is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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