HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A0F-204, P0A0F-205, P0A0F-206, P0A0F-524, P0A0F-525

DTC Code DTC Name
P0A0F-204 Engine Failed to Start
P0A0F-205 Engine Failed to Start
P0A0F-206 Engine Failed to Start
P0A0F-524 Engine Failed to Start
P0A0F-525 Engine Failed to Start

DESCRIPTION

If an engine malfunction occurs, an engine malfunction signal is sent from the ECM to the management control ECU. When the hybrid vehicle control ECU receives this signal, it sets a DTC and performs fail-safe control.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A0F 204

Signal indicating abnormality is received from the ECM (abnormal engine output)

Actual engine torque is very low compared to the target torque.

(1 trip detection logic)

 SFI system
205

Signal indicating abnormality is received from the ECM (engine unable to start)

(1 trip detection logic)
206

Signal indicating abnormality is received from the ECM (engine component malfunctioning, drop in torque)

(1 trip detection logic)
524

Signal indicating abnormality is received from the ECM (abnormal NE signal)

(1 trip detection logic)
525

Signal indicating abnormality is received from the ECM (abnormal GI signal)

(1 trip detection logic)
Related Data List
DTC No. Data List
P0A0F-204

  • Request Power

  • Actual Engine Torque (SFI System)

  • Engine Revolution

  • Generator(MG1) Torq

  • Generator(MG1) Rev
P0A0F-205
P0A0F-206
P0A0F-524 Engine Revolution
P0A0F-525

  • Engine Revolution

  • Crank Position

The following items can be helpful when performing repairs:


Tech Tips


  • The hybrid vehicle control ECU stores DTC P0A0F-204, 205, 206, 524 or 525 when it receives a signal from the ECM indicating abnormal engine power, engine starting malfunction, engine performance deterioration (running out of fuel), crank angle sensor circuit DTCs or cam position sensor circuit DTCs.

  • If the engine cannot start, the vehicle is driven using EV drive mode. However, if the vehicle is continuously driven using only EV drive mode, the HV battery will be discharged and the vehicle will not be able to be driven.

  • If any of these DTCs are output, it is required to repair the EFI system in accordance with the DTC or to add a sufficient amount of fuel.

    Hybrid control system DTCs SFI system related DTCs
    P0A0F-204 (Abnormal engine output) P3190 (Poor Engine Power)
    P0A0F-205 (Engine unable to start) P3191 (Engine does not Start)
    P0A0F-206 (Engine component malfunctioning, drop in torque) P0171 (System Too Lean(Bank 1))
    P0172 (System Too Rich(Bank 1))
    P0606 (ECM / PCM Processor)
    P060E (Internal Control Module Throttle Position Performance)
    P0A0F-524 (Abnormal NE signal) P0335 (Crankshaft Position Sensor "A" Circuit)
    P0A0F-525 (Abnormal GI signal) P0340 (Camshaft Position Sensor Circuit Malfunction)

CAUTION / NOTICE / HINT

Tech Tips


  • When SFI system related DTCs are output, the hybrid vehicle control ECU stores DTCs P0A0F-204, 205, 206, 524 or 525.

  • If DTC P0A0F-524 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. With the vehicle and engine stopped, the ignition switch to ON (READY) and the shift lever in P, depress the accelerator pedal to start the engine.

    2. Keep the engine running for 5 seconds or more.

  • If DTC P0A0F-525 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. With the vehicle and engine stopped, the ignition switch to ON (READY) and the shift lever in P, depress the accelerator pedal to start the engine.

    2. Keep the engine running for 5 seconds or more.

PROCEDURE


  1. CHECK DTC OUTPUT (ENGINE AND ECT)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON (IG).

    3. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

    4. Check if DTCs are output.

    5. Turn the ignition switch off.


    NEXT

    GO TO DTC CHART (SFI SYSTEM) Click here