Toyota Corolla Cross: Theft Deterrent / Keyless Entry

 Lost Communication with DC/DC Converter Control Module "C" Missing Message (U01BD87)

DESCRIPTION The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the DC/DC converter assembly. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate Note U01BD87 Lost Communication with DC

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. FUEL PUMP ASSEMBLY OPERATION (a) Check fuel pressure. (1) Connect the GTS to the DLC3. (2) Start the engine. (3) Turn the GTS on. (4) Enter the following menus: Powertrain / Engine / Active Test / Control the Target Fuel Pressure Offset / Fuel Pressure (High).