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Home >> Toyota >> 2021 >> 4Runner TRD Off-Road >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Touch Select 2-4 And High-Low System (VF2CM) - Diagnostic Codes & Circuit Tests) >> Touch Select 2-4 And High-Low System >> DTC P17AA: Transfer Shift Motor Control Circuit High [08/2019 - ] >> Description

DTC P17AA: Transfer Shift Motor Control Circuit High [08/2019 - ]: Description

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

This DTC is output when a short to B+ in the transfer shift motor and A.D.D. shift motor drive circuit is detected.

DTC No. Detection Item DTC Detection Condition Trouble Area
P17AA Transfer Shift Motor Control Circuit High
  • Diagnosis Condition: Directly after or while the ignition switch is turned to ON (transfer shift motor not operating)
  • Malfunction Status: Short to B+ in the transfer shift motor and A.D.D. shift motor drive circuits
  • Malfunction Time: 0.5 seconds or more (after the ignition switch is turned to ON, 0.05 seconds or more)
  • Other: 1 trip detection logic
  • Wire harness and connector
  • 4 wheel drive control ECU
  • Transfer shift actuator assembly
  • A.D.D. actuator (differential vacuum actuator assembly)