1. Lewis

    2015-2021 Toyota Prius slowly overheating with no codes

    If you have this generation Prius and the issue is that it is slowly overheating, first run through the basics, then you will want to check between the condenser and radiator for clogging debris.
  2. MG

    2008-2021 Toyota Models Water Pump Leak Inspection and Diagnostic Tips T-SB-0103-20 (Warranty Policy 4.21)

    Please see T-SB-0103-20 Also see T-SB-0117-11 Introduction: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2021 model year Toyota vehicles. APPLICABLE WARRANTY: Warranty coverage is based on the failed component. Please...
  3. OishiiJPN

    2021 Toyota Corolla with Misfire on Cylinder 1

    Has anyone seen any issues with the 2020-2021 Toyota Corolla (M20A-FKS) with a porous head as seen below? Just curious...
  4. MG

    A Repair Would Cost $16,000 at Tesla: the Electrified Garage Did It for $700

    Jump start to the 6:10 timeline to get to the repair portion...
  5. MG

    2019-2020 Toyota Camry Poor Heater Performance When Ambient Temperature is Below -4°F (-20°C) T-SB-0126-20

    Please see T-SB-0126-20 Applicability: 2019-2020 Toyota Camry VDS(s): A11AK, B11HK, B61HK, C11AK, C11BK, E11AK, E11BK, F11AK, F11BK, G11AK, G11BK, J11AK, J11BK, K61AK, K61BK, L11AK, L11BK, M11AK, M11BK (Please see this Post to determine VDS and WMI's) Introduction: Some 2019 – 2020 model year...
  6. MG

    2020 Toyota Vehicles A25A Engines - MIL ON and/or Coolant Leak from Water Pump T-TT-0614-20

    Please see Tech TipT-TT-0614-20 APPLICABLE VEHICLES: 2020 Avalon Hybrid 2020 Highlander Hybrid 2020 RAV4 2020 Camry 2020 RAV4 Hybrid 2020 Camry Hybrid CONDITION: Some 2020 model year models equipped with A25A-FKS or A25A-FXS engine may exhibit a MIL ON with one or more of the following DTCs...
  7. OishiiJPN

    2018-2020 Toyota Rav4, Camry or Corolla Maintenance Light will not Reset P268115

    If you get a customer concern that the maintenance light wont reset please check the message on the cluster again to make sure it reads "Engine Maintenance Required". If that is the case, please pull codes and if you see code P268115 Engine Coolant Bypass Valve Circuit Short to Battery or Open...
  8. MG

    2016-2019 Toyota Prius and Prius Prime Low Coolant, Check Engine Light on P148F00, and/or Poor Heater Performance

    Some 2016 – 2019 model year Prius and 2017 – 2019 model year Prius Prime vehicles may exhibit one or more of the following conditions due to a coolant leakage at the front exhaust pipe heat exchanger: *Low coolant level  MIL ON accompanied by Diagnostic Trouble Code (DTC) P148F00 Engine...
  9. OishiiJPN

    2017 Toyota Rav4 Hybrid with Coolant Loss

    If you run across a 2017 Toyota Rav4 Hybrid and the cooling system overflow tank is empty, check the EGR cooler for the cause of concern for this leak.
  10. MG

    2018 Toyota Camry with Code P26CB71 Electric Water Pump Speed Stuck T-SB-0323-17

    Some 2018 model year Camry vehicles equipped with four-cylinder engines may exhibit a MIL “ON” condition with Diagnostic Trouble Code (DTC) P26CB71 (Electric Water Pump Speed Stuck). The Engine Control Module (ECM) (SAE term: Powertrain Control Module [PCM]) logic has been modified to address...
  11. Lewis

    2010 Toyota Prius with Codes P261B or P261C Coolant Pump Control Malfunction

    Some vehicles may exhibit a MIL “ON” condition with one or more of the following Diagnostic Trouble Codes (DTCs): • P261B – Engine Coolant Pump “B” Control Malfunction • P261C – Engine Coolant Pump “B” Control Circuit Low Improvements have been made to the electric water pump (161A0-39015)...
  12. Lewis

    2016-2017 Toyota Tacoma Coolant Leak from Engine Block

    If you have a 2016-2017 Toyota Tacoma with the 2GR-FKS engine, you may want to keep an eye out for any engine coolant loss. We have seen a few coolant leaks from porous blocks around the engine mounts. Here is what a few bad ones look like with a few good ones following those...
  13. Lewis

    Toyota Thermostat Installation Position Tip

    Genuine Toyota 90916-03075 Thermostat We had a Toyota vehicle towed into the shop the other day and the customers complaint was that it was overheating. The repair shop replaced almost everything in the cooling system and still had this issue so the customer wanted us to step in. We knew...
  14. OishiiJPN

    2004-2005 Toyota Sienna Radiator Customer Support Program CSP ZT9

    Warranty Enhancement Letter ZT9 Subject: Customer Support Program– Warranty Coverage Enhancement for 2004–2005 Model-Year Sienna Vehicles Toyota has received isolated reports from extreme cold climate areas that in certain 2004 through late 2005 model-year Sienna vehicles the radiator may...
  15. Lewis

    2016 Scion iA Inspection and Adjustment of Coolant LSC G0K

    Limited Service Campaign Letter G0K Subject: Limited Service Campaign G0K (Remedy Notice) 2016 Model Year Scion iA Vehicles Inspection and Adjustment of Coolant Concentration In our continuing efforts to ensure the best in customer satisfaction, Toyota is launching a Limited Service Campaign...
  16. Lewis

    2004-2009 Prius with code P1121 and/or P1116 Coolant Flow Valve Position Sensor

    This is a Toyota 2004-2008 Toyota Prius with a P1121 Coolant Flow Control Valve position sensor circuit stuck. The fix for this is to replace the coolant flow valve. part # 16670-21010 See TSB 0231-12 Genuine Toyota 16670-21010 Water Valve Assembly Valve With Bracket Valve location view from...
  17. OishiiJPN

    2004-2009 Toyota Prius Inverter Water Pump Recall C0U

    Genuine Toyota (G9020-47031) Inverter Pump Assembly SUMMARY: Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 6, 2003, through March 30, 2009 and FCHV-adv vehicles manufactured December 12, 2008, through September 13, 2011. During manufacturing, a scratch may...