conditioning

Please see Tech Tip T-TT-0661-21 APPLICABLE VEHICLES: 2018-2021 Toyota Tundra CONDITIION: Customer complaint of HVAC compressor “Bang” type noise upon initial compressor engagement when air conditioning has not been operated for an extended period (~24 hrs. or longer). The noise is caused by...

If you run across a 2019 Toyota Highlander and the customer concern is that the rear air conditioning doesn't work, check the rear a/c lines underneath the vehicle (possibly covered by foam or under the splash shield) as a previous technician may have pinched the line when they lifted the vehicle.

Please see T-SB-0002-21 Revision 1 (Revision needed) Applicability: 2016-2017 Toyota Land Cruiser REVISION NOTICE August 10, 2021 Rev1: The Warranty Information section has been updated. Any previous printed versions of this bulletin should be discarded. Introduction: Some 2016 – 2017 model...

Please see T-SB-0127-20 Applicability: 2020 Highlander, Highlander Hybrid Introduction: Some 2020 model year Highlander and Highlander Hybrid vehicles may experience a sudden loss of air conditioning cooling with Diagnostic Trouble Code (DTC) B1423 (Open in Pressure Sensor Circuit/Abnormal...

If you run across a 2015 Toyota Sequoia and you find that the air conditioning auto climate controls are not responding (except Mode may work) the make you check to see if any of the buttons are stuck down. Also check the rear controls where the kiddos grubby fingers like to touch...

Please see Tech Tip T-TT-0468-17 APPLICABLE VEHICLES: 2007-2020 Toyota Models CONDITION: HVAC Drain tube is found to be blocked/clogged. RECOMMENDATIONS: Before the drain tube is cleared of the blockage, use a Borescope to look inside the drain tube to evaluate the cause of the blockage...

Please see T-SB-0093-20 Revision 2 (needed) Applicability: 2016 - 2021 Tacoma VDS(s): AZ5CN, BZ5DN, CZ5AN, DZ5BN, EZ5CN, FZ5DN, GZ5AN, HZ5BN, RZ5CN, SZ5AN (Please see this post to determine VDS) Engine(s): 2GR Transmission(s): 6AT REVISION NOTICE: August 17, 2021 Rev2: The Warranty...

Please see Tech Tip T-TT-0577-19 APPLICABLE VEHICLES: 2017-2020 Prius Prime 2016-2020 Prius CONDITION: On 2016-2020 model year Prius and 2017-2020 model year Prius Prime vehicles follow the recommendations when performing the HVAC odor maintenance service using A/C Power Foam Evaporator...

Please see Tech Tip T-TT-0586-19 APPLICABLE VEHICLES: 2019-2020 Corolla Hatchback CONDITION: On 2019-2020 model year Corolla Hatchback vehicles follow the recommendations when performing the HVAC odor maintenance service using A/C Power Foam Evaporator Cleaner & Refresher. RECOMMENDATIONS...

SUPERSESSION NOTICE: The information contained in this bulletin supersedes Service Bulletin No. T-SB-0033-14 Revision 2 Applicability has been updated to include 2019 model year Toyota vehicles. Service Bulletin No. T-SB-0033-14 Revision 2 is obsolete and any printed versions should be...

We can start with Toyota's recommendation on Air Conditioning Stop Leak usage by saying that you should never use it. Per Tech Tip Bulletin 0441-17 (T-TT-0441-17) all Toyota Models 2016 and up years .... "Adding stop leak products to the A/C system is not a recommended or approved Toyota repair...

If you run across a 2012-2014 Toyota Camry Hybrid with a concern of the climate control display blank and then pops on after a short time, have the system run a self check and then check for codes. You may get a B1446 air mix damper servo control circuit code. If this happens, its because of a...