OBD Guide

P2554

Throttle/Fuel Inhibit A Circuit Low

P2554 is an OBD-II diagnostic trouble code meaning: Throttle/Fuel Inhibit A Circuit Low. Common causes: brake/fuel limiter sensor malfunction, open or short circuit in the circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Acceleration problems
  • Unstable engine operation at idle
  • Increased fuel consumption

Causes

  • Brake/fuel limiter sensor malfunction
  • Open or short circuit in the circuit
  • Poor connection or corroded connectors
  • Problems with the engine control unit (ECU)
  • Faulty relay or fuse

How to Fix

  1. Check the integrity of the circuit and connections
  2. Check brake/fuel limit sensor
  3. Check relays and fuses
  4. Scan the engine control module for other errors
  5. If necessary, replace the sensor or repair the circuit

Related codes

Error P2554 by Vehicle Brand

FAQ

What does the P2554 code mean?

P2554 is an OBD-II diagnostic trouble code that indicates: Throttle/Fuel Inhibit A Circuit Low

What causes a P2554 error code?

The most common causes of P2554 include: Brake/fuel limiter sensor malfunction; Open or short circuit in the circuit; Poor connection or corroded connectors; Problems with the engine control unit (ECU).

How do I fix a P2554 diagnostic trouble code?

To fix P2554: Check the integrity of the circuit and connections. Check brake/fuel limit sensor. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2554?

Yes, but get it checked soon

How much does it cost to fix P2554?

The estimated repair cost for P2554 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat