Prius ac code 21. Is there anything else the mechanic should be aware of before connecting you? I'm not sure. Pressure is normal for hi (200)and low (35) side. This video shows how to enter secret air conditioner diagnostic mode on Toyota Prius (Gen 2, but I have heard it is also applicable for Gen 3) and get fault Code 21 and 76. I don't have a Gen 2 repair manual at hand right now, but that's where you'll find the other two, and what to do about them. The sensor monitors evaporator temperature to prevent freezing. Diagnostic code 21 in a 2002 Prius indicates an evaporator temperature sensor fault. No change in air temp. I checked the hidden AC codes on the display and found codes 23 and 72. Jun 13, 2018 · a/c trouble codes 13 21 62 Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by John trapp, Jun 6, 2019. You will have that code any time you scan for codes if strong light isn't falling on the sensor on the dash. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform troubleshooting. Any idea what’s needed to repair codes/hot air problem Prius. 07 Prius with ac issues. The hi side line is not getting hot. I understand that your AC should still run with 21 depending on light levels and mine doesn’t regardless so I’ve been focusing on 23. Looked up how to find AC fault codes. Only the heating issue it will takes a while to heat the Air conditioning system data and the Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. Jul 3, 2019 · 21 is just the solar sensor. Feb 15, 2018 · Code 21 after replacing compressor n evac/recharge ac Discussion in ' Generation 1 Prius Discussion ' started by Jeff Girard, Jun 29, 2019. Customer: The AC compressor isn't turning on. Nov 13, 2007 · 2007 AC Fault Question Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by satwood, Jun 26, 2017. Nov 14, 2020 · Hi there fellow Prius owners! 2004, 145k miles On my drive home last night my AC suddenly started blowing warm air. Nov 23, 2012 · AC Fault codes Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by LEARNER, Aug 21, 2020. Aug 2, 2019 · AC fault codes Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Calyncutler, Aug 2, 2019. Switched between AC and bent and back to AC. My car got diagnosed B1412, B1421,B1433 errors in AC. The condenser doesn’t work at all and I get codes 21 and 23 flashing in the AC diag screen. Had been ice cold moments before. Jul 15, 2019 · Did you ever get this resolved? We have a 2005 Prius that is showing codes 21 and 23. Came up with 21 and 41. Jun 18, 2024 · I have been having AC issues with my 2009 Prius since last summer. It’s a 2008 Prius standard with 152k miles. . The fan is still blowing but just goes to humid. However, this… Jun 4, 2024 · 2005 gen 2 Prius AC Blowing Hot Codes 21 & 76 jafinch78 1. I replaced the AC blower and the AC relay actuator and started to work again. Apr 30, 2023 · HVAC Issues and Diagnostic Codes Discussion in ' Gen 4 Prius Care, Maintenance and Troubleshooting ' started by Eshiner, May 1, 2023. The AC hasn't been functioning for some time, but this is the first instance I've retrieved the codes. Never had any AC problems. Feb 10, 2018 · A/C works a few seconds / stops blowing Code 21 Discussion in ' Gen 2 Prius Main Forum ' started by Robyn Lavash, Feb 10, 2018. Normally they are too hot to touch. We had it serviced and the AC guy is puzzled. Even after replacing the relay, check the sensor wiring and connector for corrosion or damage. Prius. Blowing hot air on 2004 Toyota Prius. 02K subscribers Subscribe Feb 3, 2020 · Have the same code 21, after ecu reset check engine light turned on immediately, so must be the heater circuit. The warning triangle and coolant light have been coming on and going off intermittently while driving. As in it happens only sometimes when I drive and can be days to weeks apart. Seems to blow cold for a bit and then stop. the ac does not blow any air. What’s the model of your 2023 Toyota? It's a 2005 Prius. I opened my ecu and it seems to be ok, will take a deeper look at the car wiriness later. cae oge ots fxq tnk khu ktv ydg gqq wjo hbv grh qgf bns wlh