DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 94 (Motor Generator Control System (2WD) - Diagnostic Codes (3 Of 4)) >> MOTOR GENERATOR CONTROL SYSTEM (for 2WD) >> DTC P0C50-13: Drive Motor "A" Position Sensor Circuit "A" Circuit Open; DTC P0C50-1F: Drive Motor "A" Position Sensor Circuit "A" Circuit Intermittent; DTC P0C5A-13: Drive Motor "A" Position Sensor Circuit "B" Circuit Open; DTC P0C5A-1F: Drive Motor "A" Position Sensor Circuit "B" Circuit Intermittent [12/2019 - 11/2023] >> Description

DTC P0C50-13: Drive Motor "A" Position Sensor Circuit "A" Circuit Open; DTC P0C50-1F: Drive Motor "A" Position Sensor Circuit "A" Circuit Intermittent; DTC P0C5A-13: Drive Motor "A" Position Sensor Circuit "B" Circuit Open; DTC P0C5A-1F: Drive Motor "A" Position Sensor Circuit "B" Circuit Intermittent [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

Refer to the system description for the Motor Resolver Circuit.

Refer to SYSTEM DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0C50-13 Drive Motor "A" Position Sensor Circuit "A" Circuit Open Open in motor resolver sin phase circuit
(1 trip detection logic)
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
  • Wire harness or connector
Comes on Master Warning:
Comes on
P0C50-1F Drive Motor "A" Position Sensor Circuit "A" Circuit Intermittent Open in motor resolver sin phase circuit detected when DTC P0C79-17, P0D33-19, P1C5D-19 or P1C5F-19 is stored.
(1 trip detection logic)
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
  • Wire harness or connector
Does not come on Master Warning:
Does not come on
P0C5A-13 Drive Motor "A" Position Sensor Circuit "B" Circuit Open Open in motor resolver cos phase circuit
(1 trip detection logic)
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
  • Wire harness or connector
Comes on Master Warning:
Comes on
P0C5A-1F Drive Motor "A" Position Sensor Circuit "B" Circuit Intermittent Open in motor resolver cos phase circuit detected when DTC P0C79-17, P0D33-19, P1C5D-19 or P1C5F-19 is stored.
(1 trip detection logic)
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
  • Wire harness or connector
Does not come on Master Warning:
Does not come on

HINT: 

If either of these DTCs is output, an open in the sin or cos phase circuit is suspected.