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Home >> Toyota >> 2021 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Hybrid Control System (2WD, W/ Nickel Metal Hydride Battery) - Diagnostic Codes (6 Of 6) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for 2WD with NICKEL METAL HYDRIDE BATTERY) >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U0110-87: Lost Communication with Drive Motor Control Module "A" Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1107-87: Lost Communication with Power Management Module Missing Message; DTC U1170-87: Lost Communication with Brake System Control Module (Secondary CAN Line) Missing Message [11/2018 - 08/2020] >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

Refer to UTILITY [11/2018 - 08/2020]

  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off and wait for 2 minutes or more.
  5. Turn the power switch on (IG) and turn the Techstream on.
  6. Turn the power switch on (READY) and wait for 2 minutes or more.
  7. Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
  8. Check the DTC judgment result.

    HINT: 

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE, perform driving pattern again.
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