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: Title; Replies Views; Last Message

600W DC-DC 12V to 60V "alternator charger" on Prime 12V batt?

LithiumMan, Dec 27, 2025 , Prime Main Forum (2017-2022)

Replies:

6

Views:

2,240

OptimalPrime

May 20, 2026 at 4:38 AM
Re-starts by itself. Won't start. Loses 12V battery power?

PriusOwner428, May 19, 2026 at 10:42 PM , Gen 2 Prius Care, Maintenance and Troubleshooting

Replies:

1

Views:

30

dolj

May 20, 2026 at 4:21 AM
Would you upgrade to DC Fast Charging if the option was avalible?

black_jmyntrn, Mar 25, 2025 , Prime Plug-in Charging

Replies:

18

Views:

4,278

OptimalPrime

May 20, 2026 at 3:19 AM
Persistent Coolant Venting Under Load: Good Cap, 0 Misfires, 216°F Peak (Graph Attached)

Asfand, May 20, 2026 at 3:07 AM , Gen 3 Prius Care, Maintenance & Troubleshooting

Replies:

0

Views:

17

Asfand

May 20, 2026 at 3:07 AM
Random Codes ON after Dongle Insertion

PriuSocal, May 19, 2026 at 12:36 AM , Gen 3 Prius Care, Maintenance & Troubleshooting

Replies:

9

Views:

213

PriuSocal

May 20, 2026 at 2:56 AM
Engine Overheating and Coolant Overflow

niftypsycho, Apr 7, 2026 , Gen 3 Prius Care, Maintenance & Troubleshooting ... 2

Replies:

20

Views:

1,334

Asfand

May 20, 2026 at 2:34 AM
Prius Prime map update

IABoy987, Oct 19, 2023 , Prime Audio, Electronics, and Infotainment ... 2

Replies:

37

Views:

25,888

OptimalPrime

May 20, 2026 at 2:30 AM
2009 Prius Traction Control Alarm Malfunction After Service

MC777, May 19, 2026 at 4:53 PM , Gen 2 Prius Care, Maintenance and Troubleshooting

Replies:

1

Views:

39

JC91006

May 20, 2026 at 12:58 AM
Any thoughts on the "looming" motor oil shortage?

Stevewoods, May 19, 2026 at 12:03 PM , Fred's House of Pancakes

Replies:

6

Views:

142

futurist

May 20, 2026 at 12:57 AM
Bodywork

futurist, Nov 13, 2025 , Fred's House of Pancakes ... 10 11 12

Replies:

220

Views:

14,071

futurist

May 20, 2026 at 12:52 AM
First time owner. Is this normal?

HalfPacked, May 19, 2026 at 4:11 PM , Prius v Care, Maintenance and Troubleshooting

Replies:

1

Views:

47

rjparker

May 20, 2026 at 12:30 AM
Engine replaced, but new issue?

fos4110, May 20, 2026 at 12:23 AM , Gen 1 Prius Plug-in 2012-2015

Replies:

0

Views:

23

fos4110

May 20, 2026 at 12:23 AM
Loud fan noise when turning on

Joe Dipierro, May 17, 2026 at 11:08 PM , Gen 4 Prius Care, Maintenance and Troubleshooting

Replies:

4

Views:

226

Joe Dipierro

May 20, 2026 at 12:13 AM
Intake manifold condensation causing cold start rattle / shudders

RubioM, May 17, 2026 at 5:10 PM , Gen 3 Prius Care, Maintenance & Troubleshooting

Replies:

7

Views:

319

rjparker

May 20, 2026 at 12:13 AM
Spotting thread! Did you see any special cars on the road today?

Leadfoot J. McCoalroller, Jul 3, 2023 , Other Cars ... 40 41 42

Replies:

828

Views:

147,219

Tideland Prius

May 19, 2026 at 11:35 PM
2013 Prius V overheating, using coolant

Wolfgang Langlois, May 15, 2026 at 11:06 PM , Prius v Care, Maintenance and Troubleshooting

Replies:

4

Views:

447

Wolfgang Langlois

May 19, 2026 at 11:26 PM
Question about fold flat seats

George W, May 19, 2026 at 11:22 PM , Gen 4 Prius Main Forum

Replies:

0

Views:

31

George W

May 19, 2026 at 11:22 PM
3rd gen model year and oil consumption

Mendel Leisk, Nov 19, 2018 , Gen 3 Prius Care, Maintenance & Troubleshooting ... 5 6 7

Replies:

126

Views:

31,146

CR94

May 19, 2026 at 10:31 PM
What is the best 0w- 16 motor oil for 2019 prius?

George W, May 19, 2026 at 10:22 PM , Gen 4 Prius Main Forum

Replies:

0

Views:

31

George W

May 19, 2026 at 10:22 PM
Traction battery fan — how to tell if it's working

Gwyneth, May 19, 2026 at 9:49 PM , Gen 2 Prius Technical Discussion

Replies:

1

Views:

60

Georgina Rudkus

May 19, 2026 at 10:16 PM

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