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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 86 (Engine Control System (A25A-FXS) - Diagnostic Codes (P05B1-06DA)) >> SFI System >> DTC P064A-49: Fuel Pump Control Module Internal Electronic Failure [12/2019 - 10/2022] >> Monitor Description

Monitor Description

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The fuel pump control ECU has a self-diagnosis function. If there is an internal malfunction, the fuel pump control ECU sends a malfunction signal to the ECM via the FPC drive circuit.

Based on the signal, the ECM judges that there is a malfunction in the fuel pump control ECU stores a DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P064A-49 Fuel Pump Control Module Internal Electronic Failure When the fuel pump control ECU operation duty ratio is 3 to 65%, there is an internal malfunction in the fuel pump control ECU for 3 seconds or more (2 trip detection logic). Fuel pump control ECU Comes on DTC stored SAE Code: P064A
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