2021 Toyota Rav4 Prime DTC P1CE931 - No Signal From the Charging Fan T-SB-0021-21

OishiiJPN

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Please see T-SB-0021-21

Applicability:

2021 Toyota RAV4 Prime

Introduction:
Some 2021 model year RAV4 Prime vehicles may store Diagnostic Trouble Code (DTC) P1CE931 (Charger Cooler Fan Revolution Sensor No Signal). Some vehicles may also exhibit a longer charging period or reduced charging efficiency. The charger assembly plug-in logic has been modified to reduce the possibility of these conditions. Follow the Repair Procedure in this bulletin to address these conditions.

APPLICABLE WARRANTY:
This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 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.

For 2021 model year RAV4 Prime vehicles that are registered and normally operated in California, Arizona (2012 model year only), Connecticut (starting with 2005 model year), Maine (starting with 2004 model year), Maryland (starting with 2011 model year), Massachusetts (starting with 2004 model year), New Hampshire (2005 – 2009 model year only), New Jersey (starting with 2005 model year), New Mexico (2010 – 2011 model year only), New York (beginning with 2004 model year with ZE models only; all models starting with 2016 model year), Oregon (starting with 2008 model year), Rhode Island (starting with 2005 model year), & Vermont (starting with 2004 model year) – Partial Zero Emission Vehicle (PZEV) Emission Warranty Coverage is in effect for 15 years or 150,000 miles, from the vehicle’s in-service date, whichever occurs first. (Please reference Warranty Policy Bulletin POL14-09 for additional information.)

For Delaware (beginning with 2014 model year), Pennsylvania (beginning with 2008 model year), and Washington (beginning with 2009 model year) California Long-term Emissions Warranty Coverage for 2021 model year RAV4 Prime vehicles is 84 months 70,000 miles from the vehicle’s in-service date, whichever occurs first.

Repair Procedure:
1. Confirm the condition exists. Using Techstream, perform Health Check to confirm DTC P1CE931 (Charger Cooler Fan Revolution Sensor No Signal) is present. Is DTC P1CE931 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 charger assembly plug-in calibration has been updated and check for the Authorized Modifications Label affixed to the vehicle in the location shown below.
Is the calibration ID listed in Techstream and on the label the latest charger assembly plug-in calibration?
YES — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
NO — Continue to step 3.

3. Flash reprogram the charger assembly plug-in.

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 location shown in Figure 1. The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.

5. Test-drive the vehicle to confirm proper operation and ensure the condition is no longer present.
 
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