EZ Swap LLC services the Subaru Solterra in Phoenix, AZ, covering model years 2023 to 2027. If your Solterra has a warning light, a strange noise or a safety recall question, our mechanics can diagnose it and give you a clear quote first.
To help Solterra owners know what to watch for, we reviewed public records from the National Highway Traffic Safety Administration (NHTSA). For these model years NHTSA has 60 owner complaints on file for the Solterra and 4 safety recall campaigns. The most-reported problem areas are electrical system (23), forward collision avoidance (15), vehicle speed control (9).
Most-Reported Subaru Solterra Problems
These problem areas come up most often in NHTSA owner complaints for the Solterra (all model years combined). Complaint counts reflect reports filed, not the share of vehicles affected, so popular and older models naturally have more.
| Problem area (NHTSA component) | Complaints | Share | |
|---|---|---|---|
| Electrical System | 23 | 38% | |
| Forward Collision Avoidance | 15 | 25% | |
| Vehicle Speed Control | 9 | 15% | |
| Service Brakes | 5 | 8% | |
| Power Train | 4 | 6% | |
| Engine | 4 | 6% | |
| Back Over Prevention | 4 | 6% | |
| Structure | 4 | 6% |
Electrical System
23 of the 60 complaints (38%) mention the electrical system. Electrical problems are made worse by desert heat, which ages batteries, cables and connectors. We test the battery, starter and charging system and trace faults to the actual part. See our battery replacement and starter & alternator repair pages.
Forward Collision Avoidance
15 of the 60 complaints (25%) mention driver-assistance and stability systems. Driver-assistance and stability systems rely on sensors and software. We scan for stored codes and diagnose sensor and wiring faults. See our check engine light diagnostics page.
Vehicle Speed Control
9 of the 60 complaints (15%) mention vehicle speed control (throttle and cruise control). Speed control complaints involve the throttle, cruise control and related sensors. We scan for stored codes and test the throttle system and sensors to find the actual cause instead of guessing. See our check engine light diagnostics and auto repair pages.
Subaru Solterra Complaints by Model Year
The Solterra model years with the most NHTSA complaints on file are 2023, 2026, 2024. Older model years have had more time to collect reports, so use this table as a guide for what to inspect, not as a verdict on any one vehicle.
| Model year | Complaints on file | |
|---|---|---|
| 2023 | 25 | |
| 2024 | 14 | |
| 2025 | 4 | |
| 2026 | 17 |
Subaru Solterra Check Engine Codes
NHTSA owner complaints rarely cite specific trouble codes for the Solterra, so we do not have a model-specific ranking to show. These are the check engine codes we see most often on vehicles in Phoenix heat, and any of them can show up on a Subaru.
| Code | What it means |
|---|---|
| P0420 | Catalyst efficiency below threshold (bank 1) Often a worn catalytic converter, but failing oxygen sensors or exhaust leaks can set it too. Can cause an emissions test failure. |
| P0300 | Random or multiple cylinder misfire Worn spark plugs, failing ignition coils, fuel or vacuum problems. Do not ignore a flashing check engine light. |
| P0171 | System too lean (bank 1) Often a vacuum leak, dirty MAF sensor, weak fuel delivery or a failing oxygen sensor. |
| P0455 | EVAP system large leak Missing or loose gas cap, or a disconnected or cracked vapor hose. |
| P0128 | Coolant temperature below thermostat regulating temperature Usually a thermostat stuck open. Fix it to restore efficiency and cabin heat. |
| P0442 | EVAP system small leak Loose or worn gas cap, cracked hose or purge or vent valve. |
| P0301 | Cylinder 1 misfire Commonly a bad spark plug or ignition coil on that cylinder. |
| P0401 | EGR flow insufficient Clogged EGR passages or a stuck EGR valve. |
Got a check engine light on your Solterra? A code is a clue, not a diagnosis, so we scan it and test the system before replacing anything. See our check engine light diagnostics.
Subaru Solterra Safety Recalls
NHTSA lists 4 recall campaigns for the Solterra in these model years, most often involving wheels, visibility, back over prevention. Recalls are repaired by the manufacturer at no charge to you, but each applies only to certain vehicles. Look up your VIN at nhtsa.gov/recalls.
- 2025 recall, Visibility (campaign 25V577000): Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2025 bZ4X, Lexus RZ, and Subaru Solterra vehicles.
- 2025 recall, Back Over Prevention (campaign 25V744000): Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall report for a complete list of models.
- 2023 recall, Wheels (campaign 23V064000): Subaru of America, Inc. (Subaru) is recalling certain 2023 Solterra vehicles. Improperly tightened hub bolts may loosen and cause the wheels to detach from the vehicle.
- 2022 recall, Wheels (campaign 22V444000): Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023 Subaru Solterra and Toyota BZ4X vehicles. The hub bolts on the wheels may loosen, causing a wheel to detach from the vehicle after low-mileage use.
Serious Incident Reports
Of the NHTSA complaints on file for the Solterra, 6 involved a crash, 1 reported injuries. These numbers are drawn from self-reported complaints and are not verified findings. If your vehicle has an open recall, get it repaired promptly.
Keeping a Subaru Solterra Reliable in Phoenix
Arizona heat is the hardest test a Subaru will face. Batteries, belts, hoses, tires and engine oil all wear faster here, and a Solterra that spends its life in stop-and-go Valley traffic needs maintenance earlier than the owner's manual's normal schedule suggests.
Our recommendation for Solterra owners: follow the severe-service schedule, test the battery before every summer, inspect brakes and tires twice a year, and have any warning light diagnosed instead of ignored. If you are shopping for a used Subaru Solterra, a pre-purchase inspection shows what the paperwork does not.
Subaru Solterra Services at EZ Swap LLC
Get the details on our Phoenix Subaru Solterra repair service, or choose a service below.
Battery Replacement
Test, replace and protect against Phoenix heat.
Details →Starter & Alternator Repair
Charging and starting system repair.
Details →Check Engine Light Diagnostics
Scan, test and pinpoint the real cause.
Details →Auto Repair
All makes and models, from domestic trucks to imports.
Details →Oil Change & Maintenance
Oil, filters, fluids, tires and scheduled service.
Details →Subaru Solterra FAQ
What are the most common problems with the Subaru Solterra?
Based on NHTSA owner complaints, the most-reported problem areas for the Subaru Solterra are electrical system (23), forward collision avoidance (15), vehicle speed control (9). Complaint counts reflect reports filed, not the share of vehicles affected.
Which Solterra model years have the most complaints?
The Solterra model years with the most NHTSA complaints on file are 2023, 2026, 2024. Older years have had longer to collect reports, so inspect any specific vehicle before buying.
What check engine codes are common on the Subaru Solterra?
NHTSA complaints rarely cite specific codes for the Subaru Solterra. On Phoenix vehicles in general, we see P0420, P0300 misfires, P0171 lean conditions and EVAP leaks such as P0455 and P0442 most often. Bring yours in and we will scan and test it.
Does the Subaru Solterra have any safety recalls?
NHTSA lists 4 recall campaigns for the Subaru Solterra across model years 2023 to 2027. Each recall applies only to certain vehicles, so enter your VIN at nhtsa.gov/recalls to see if yours is affected.
Do you repair the Subaru Solterra in Phoenix?
Yes. EZ Swap LLC repairs and maintains Subaru vehicles including the Solterra, at 9050 N 9th St in Phoenix. Call or text (602) 246-9063 for an appointment.
Is a pre-purchase inspection worth it for a used Subaru Solterra?
Yes. An inspection checks the engine, transmission, brakes, suspension, A/C and electrical system, and scans for stored codes, so you know the real condition before you buy.
How often should I service my Subaru Solterra in Phoenix?
Follow the severe-service schedule in your owner's manual, since heat and stop-and-go driving count as severe use. Test the battery before summer and inspect brakes and tires regularly.
More Subaru Models We Service
Source: public complaint and recall records from the National Highway Traffic Safety Administration (nhtsa.gov). Counts reflect reports filed and do not predict the condition of any individual vehicle.