EN / RU / ES / FR / DE

OBDII / EOBD Diagnose-Fehlercodes Definition

Wenn Ihr Auto mit OBD-II oder EOBD ausgestattet ist, haben Sie Zugriff auf über 5.000 generische OBD-II Diagnosefehlercodes (DTCs). Diese Codes decken verschiedene Fahrzeugsysteme ab, darunter Antriebsstrang (P0XXX, P2XXX, P34XX), Karosserie (B0XXX), Fahrwerk (C0XXX) und Netzwerk/Kommunikation (U0XXX, U2XXX, U3XXX). Zusätzlich gibt es mehr als 13.500 herstellerspezifische OBD-II-Codes, die dabei helfen, Probleme zu diagnostizieren, die spezifisch für verschiedene Automarken und -modelle sind. Stellen Sie sicher, dass Sie über die richtigen Werkzeuge verfügen, um diese Fehlercodes zu verstehen und zu beheben, damit Ihr Fahrzeug reibungslos läuft.

Mit diesen OBD-II-Codes können Sie effektiv Probleme im Zusammenhang mit Motorleistung, Sicherheitsfunktionen, Fahrwerk und vielen weiteren wichtigen Komponenten diagnostizieren.

Unterstützte Hersteller mit spezifischen OBD2 Codes:

Code eingeben:
+
P
-
+
0
-
+
0
-
+
0
-
+
0
-


Detailed Description of Error P2554

The OBDII error code P2554 stands for ''Throttle/Fuel Inhibit Circuit Low''. This code is triggered when the Engine Control Module (ECM) detects an abnormal voltage reading in the throttle/fuel inhibit circuit. The throttle/fuel inhibit circuit is responsible for controlling the fuel injection system and throttle valve operation. When the ECM senses a low voltage reading in this circuit, it will set the P2554 code and illuminate the Check Engine Light (CEL) to alert the driver of a potential problem.

In normal operation, the throttle/fuel inhibit circuit operates within a specific voltage range. When the voltage drops below this range, the ECM interprets it as a fault and sets the P2554 code. This code can be triggered by a variety of factors, including faulty sensors, wiring issues, or internal ECM problems.

Possible Causes of Error P2554

  • Faulty Throttle Position Sensor (TPS): A malfunctioning TPS can cause the ECM to receive incorrect voltage readings, leading to the P2554 code.
  • Wiring Issues: Corrosion, damage, or shorts in the throttle/fuel inhibit circuit wiring can cause voltage drops and trigger the P2554 code.
  • ECM Internal Fault: In some cases, an internal fault within the ECM can cause the P2554 code to be set.
  • Faulty Fuel Injector Driver: A malfunctioning fuel injector driver can cause the ECM to receive incorrect voltage readings, leading to the P2554 code.
  • Low Battery Voltage: A low battery voltage can cause the ECM to malfunction and set the P2554 code.
  • Faulty Throttle Body: A faulty throttle body can cause the ECM to receive incorrect voltage readings, leading to the P2554 code.

Possible Fixes for Error P2554

  • Check and Repair Wiring: Inspect the throttle/fuel inhibit circuit wiring for signs of damage, corrosion, or shorts. Repair or replace the wiring as necessary.
  • Replace Faulty Sensors: If the TPS or other sensors are found to be faulty, replace them with new ones.
  • Update ECM Software: If the ECM internal fault is suspected, update the software to the latest version.
  • Replace Fuel Injector Driver: If the fuel injector driver is found to be faulty, replace it with a new one.
  • Charge or Replace Battery: If low battery voltage is suspected, charge the battery or replace it if necessary.
  • Replace Throttle Body: If the throttle body is found to be faulty, replace it with a new one.