MG
Moderator
Please see T-SB-0047-22
Introduction:
Some 2019 model year Avalon Hybrid, 2018-2019 Camry Hybrid, and 2019- 2021 RAV4 Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (OTC} P019064 (Fuel Rail Pressure Sensor "A" Signal Plausibility Failure). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
APPLICABLE WARRANTY:
This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle's in-service date. Warranty application is limited to occurrence of the specified condition described in this bulletin.
NOTE:
The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
Repair Procedure:
1. Using Techstream, check for DTC P019064 (Fuel Rail Pressure Sensor "A" Signal Plausibility Failure). Is DTC P019064 present?
YES- Continue to step 2.
NO-This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
2. Use Techstream to confirm if the ECM (PCM) calibration has been updated and check for the Authorized Modifications Label affixed to the vehicle in the locations shown in Figures 1 - 3.
Is the calibration ID listed in Techstream and on the label the latest ECM (PCM) calibration?
YES - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
NO - Continue to step 3.
3. Flash reprogram the ECM (PCM)
4. Prepare and install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label: • ECM (PCM) part number [Refer to the Parts Information section for the NEW PART NUMBER]
* Calibration ID(s) [Refer to the Calibration Information section for the NEW CALIBRATION ID]
* Dealer Code
* Repair Date
* Change Authority [This bulletin number]
B. Install the Authorized Modifications Label onto the vehicle at the locations shown in Figures 1 - 3. The Authorized Modifications Label is available through the MDC, P /N 00451-00001-LBL.
5. Perform the confirmation drive pattern to confirm DTC P019064 does NOT reoccur.
Is DTC P019064 present?
YES - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
NO - The repair is complete.
Introduction:
Some 2019 model year Avalon Hybrid, 2018-2019 Camry Hybrid, and 2019- 2021 RAV4 Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (OTC} P019064 (Fuel Rail Pressure Sensor "A" Signal Plausibility Failure). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
APPLICABLE WARRANTY:
This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle's in-service date. Warranty application is limited to occurrence of the specified condition described in this bulletin.
NOTE:
The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
Repair Procedure:
1. Using Techstream, check for DTC P019064 (Fuel Rail Pressure Sensor "A" Signal Plausibility Failure). Is DTC P019064 present?
YES- Continue to step 2.
NO-This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
2. Use Techstream to confirm if the ECM (PCM) calibration has been updated and check for the Authorized Modifications Label affixed to the vehicle in the locations shown in Figures 1 - 3.
Is the calibration ID listed in Techstream and on the label the latest ECM (PCM) calibration?
YES - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
NO - Continue to step 3.
3. Flash reprogram the ECM (PCM)
4. Prepare and install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label: • ECM (PCM) part number [Refer to the Parts Information section for the NEW PART NUMBER]
* Calibration ID(s) [Refer to the Calibration Information section for the NEW CALIBRATION ID]
* Dealer Code
* Repair Date
* Change Authority [This bulletin number]
B. Install the Authorized Modifications Label onto the vehicle at the locations shown in Figures 1 - 3. The Authorized Modifications Label is available through the MDC, P /N 00451-00001-LBL.
5. Perform the confirmation drive pattern to confirm DTC P019064 does NOT reoccur.
Is DTC P019064 present?
YES - This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
NO - The repair is complete.