OBD Guide

P2554

Throttle/Fuel Inhibit A Circuit Low

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