Subaru Baja (2003–2006) Fault Codes & Service Schedule | TroubleAtlas

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Subaru Baja (2003–2006)
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SUBARU BAJA (2003–2006): Full Technical Specs & OBD2 Diagnostics

By TroubleAtlas Technical Team · Updated 4 July 2026 · Cross-checked against 3 independent sources
Built 2003–2006 · all production years covered on this single page

2.5L H4 Turbo • Gasoline

Subaru Baja (2003–2006)

© Wikimedia Commons CC BY-SA

5 Common problems View details →
29 OBD2 codes View details →
16 Recalls / TSB View details →
TroubleAtlas Score
An independent value score for the Subaru Baja (2003–2006) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliability
n/a
Safety & recalls
n/a
Repair cost
5.9
Parts & repairability
4.7
Maintenance & durability
n/a
Documentation & support
7.4
★ How we calculate this → Methodology
TROUBLEATLAS · SCOREINDEPENDENT · VERIFIED★★TA6.0/10
Independent · Verified · Never for sale

Every figure on this Subaru Baja (2003–2006) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.

The Subaru Baja (2003–2006) is powered by a 2.5L H4 Turbo engine. Its OEM tyre size is 215/55 R16. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.

⚠️Common problems 🔧Common repairs 💧Fluids & lubricants 🔋Battery 🔌Fault codes (OBD2) 🔴Dashboard lights 🛒Parts comparator 🔧Accessories & tools 🛞Tyres 📋Recalls & TSB 📢Complaints 📍Workshops nearby
⚠️ COMMON PROBLEMS
Engine overheatingFREQUENT

Engine temperature over limits — check coolant level, thermostat and radiator.

Related codes: P0217

Oil pressure sensor: low signalFREQUENT

ECU detects insufficient oil pressure — check oil level and sensor.

Related codes: P0522

Insufficient oil pressureFREQUENT

Oil pressure below critical threshold — stop the engine and check immediately.

Related codes: P0524

Engine control module (PCM) faultFREQUENT

Faulty ECU processor — requires specialist workshop diagnosis.

Related codes: P0606

Throttle actuatorFREQUENT

Throttle actuator motor circuit open — loss of throttle response.

Related codes: P2100

🔧 COMMON REPAIRS
🔧
Front brake pads
Difficulty: Easy
0.8h
€56 – €72
🔧
Rear brake pads
Difficulty: Easy
0.9h
€63 – €81
🛢
Engine oil change
Difficulty: Easy
0.3h
€21 – €27
🔧
ABS Module
Difficulty: Medium
2.0h
€140 – €180
💰 AVERAGE INDICATIVE COSTS

Prices may vary by area and workshop.

🔧
Full service
€ 120 – € 200
🛑
Full brake service
€ 180 – € 300
⚡
Spark plug replacement
€ 80 – € 140
📊
Electronic diagnosis
€ 40 – € 70
⏱️ OFFICIAL LABOUR TIMES (OLP)

Standard labour hours from a database of 6.6M+ real shop operations, with an indicative labour-cost estimate for your country.

Brakes8 operations
OperationLabour hours (OLP)Est. labour cost
ABS Module2.0h€ 90–€ 150
ABS Pump2.5h€ 112–€ 187
ABS Tone Ring1.5h€ 67–€ 112
ABS Wheel Speed Sensor - Front0.8h€ 36–€ 60
ABS Wheel Speed Sensor - Rear0.8h€ 36–€ 60
Brake Bleed - All Four1.0h€ 45–€ 75
Brake Booster2.5h€ 112–€ 187
Brake Booster Check Valve0.3h€ 13–€ 22
Cooling8 operations
OperationLabour hours (OLP)Est. labour cost
Coolant Bypass Pipe1.5h€ 67–€ 112
Coolant Flush1.0h€ 45–€ 75
Coolant Reservoir0.5h€ 22–€ 37
Coolant Temperature Sensor0.5h€ 22–€ 37
Cooling Fan Assembly1.0h€ 45–€ 75
Cooling Fan Clutch1.0h€ 45–€ 75
Cooling Fan Motor1.5h€ 67–€ 112
Cooling Fan Relay0.3h€ 13–€ 22
Electrical8 operations
OperationLabour hours (OLP)Est. labour cost
Airbag - Driver1.0h€ 45–€ 75
Airbag - Passenger1.5h€ 67–€ 112
Airbag - Side2.0h€ 90–€ 150
Airbag Module/Computer1.0h€ 45–€ 75
Alternator1.5h€ 67–€ 112
Alternator Belt0.5h€ 22–€ 37
Amplifier1.5h€ 67–€ 112
Antenna0.5h€ 22–€ 37
Engine8 operations
OperationLabour hours (OLP)Est. labour cost
Boost Pressure Sensor0.5h€ 22–€ 37
Camshaft Position Sensor1.0h€ 45–€ 75
Camshaft R&R8.0h€ 360–€ 600
Connecting Rod Bearings15.0h€ 675–€ 1125
Crankshaft Position Sensor1.0h€ 45–€ 75
Crankshaft R&R20.0h€ 900–€ 1500
Cylinder Head R&R6.0h€ 270–€ 450
Cylinder Head Resurface8.0h€ 360–€ 600
Exhaust8 operations
OperationLabour hours (OLP)Est. labour cost
Air Injection Check Valve0.8h€ 36–€ 60
Catalytic Converter - California1.5h€ 67–€ 112
Catalytic Converter - Direct Fit1.5h€ 67–€ 112
Catalytic Converter - Universal2.0h€ 90–€ 150
Downpipe2.0h€ 90–€ 150
EGR Cooler3.0h€ 135–€ 225
EGR Tube1.5h€ 67–€ 112
EGR Valve1.0h€ 45–€ 75
Fuel system8 operations
OperationLabour hours (OLP)Est. labour cost
Charcoal Canister1.0h€ 45–€ 75
EVAP Purge Valve0.8h€ 36–€ 60
EVAP Vent Valve0.8h€ 36–€ 60
Fuel Cap0.1h€ 4–€ 7
Fuel Filler Neck1.5h€ 67–€ 112
Fuel Filter0.5h€ 22–€ 37
Fuel Filter - In-Tank2.0h€ 90–€ 150
Fuel Injector - Single1.0h€ 45–€ 75
HVAC8 operations
OperationLabour hours (OLP)Est. labour cost
AC Accumulator1.5h€ 67–€ 112
AC Clutch Coil1.5h€ 67–€ 112
AC Compressor2.5h€ 112–€ 187
AC Compressor Clutch2.0h€ 90–€ 150
AC Compressor Oil Add0.5h€ 22–€ 37
AC Condenser2.5h€ 112–€ 187
AC Evaporator6.0h€ 270–€ 450
AC Expansion Valve (TXV)4.0h€ 180–€ 300
Steering8 operations
OperationLabour hours (OLP)Est. labour cost
Center Link/Drag Link1.5h€ 67–€ 112
Electric Power Steering Module1.5h€ 67–€ 112
Electric Power Steering Motor2.5h€ 112–€ 187
Idler Arm1.0h€ 45–€ 75
Pitman Arm1.2h€ 54–€ 90
Power Steering Fluid Flush0.5h€ 22–€ 37
Power Steering Gear Box3.5h€ 157–€ 262
Power Steering Hose - High Pressure1.0h€ 45–€ 75
Suspension8 operations
OperationLabour hours (OLP)Est. labour cost
Air Line1.0h€ 45–€ 75
Air Spring/Air Bag1.5h€ 67–€ 112
Air Suspension Compressor1.5h€ 67–€ 112
Air Suspension Height Sensor1.0h€ 45–€ 75
Air Suspension Valve Block2.0h€ 90–€ 150
Ball Joint - Lower1.8h€ 81–€ 135
Ball Joint - Upper1.5h€ 67–€ 112
Ball Joints - Upper and Lower3.0h€ 135–€ 225
Transmission8 operations
OperationLabour hours (OLP)Est. labour cost
Kickdown Cable0.8h€ 36–€ 60
Neutral Safety Switch1.0h€ 45–€ 75
Overdrive Solenoid2.0h€ 90–€ 150
Shift Cable1.5h€ 67–€ 112
Shift Linkage1.0h€ 45–€ 75
Shift Solenoid - Single4.1h€ 184–€ 307
Shift Solenoids - All9.0h€ 405–€ 675
Torque Converter6.9h€ 310–€ 517
💵 WORKSHOP LABOUR RATES BY COUNTRY

Average independent-workshop hourly labour rates, to estimate repair costs in your country.

🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
Brake Fluid
Brake Fluid
DOT 3 Brake Fluid
Replace when moisture content exceeds 3% or every 2-3 years
📋 RECALLS & TSB (16)
NHTSA 02V282000
Power Train › Automatic Transmission
Date: 30/10/2002
CERTAIN SPORT UTILITY AND PASSENGER VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS WERE PRODUCED WITH AN IMPROPERLY MANUFACTURED TRANSMISSION PARKING ROD. WHEN THE TRANSMISSION SELECTOR LEVER IS PLACED IN THE "P" (PARK) POSITION, THE TRANSMISSION PARK MECHANISM, THAT IS INTEND…
NHTSA 13E065000
Fuel System, Gasoline › Delivery › Fuel Pump
Date: 29/11/2013
Airtex Products LP (Airtex) is recalling certain model E8598M, E8518M, E8600M, E8596M, and E8597M fuel pumps manufactured July 26, 2013, and July 29, 2013 and used as aftermarket replacements on Subaru Baja's, Outback's and Legacy's. The affected fuel pumps were sold or installe…
NHTSA 15V323000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 28/05/2015
Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Subaru Baja vehicles manufactured January 22, 2003, to July 21, 2004, 2004-2005 Impreza vehicles manufactured January 28, 2003, to May 31, 2005, 2003-2008 Subaru Legacy vehicles manufactured January 22, 20…
NHTSA 16V359000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 25/05/2016
Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2006-2008 Impreza, Tribeca, 2006 Saab 9-2x, and 2003-2006 Baja vehicles originally sold or that have ever been registered in Arizona, Arkansas, Delaware, District of Columbia, Illinois, In…
NHTSA 16V361000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 25/05/2016
Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, and Baja vehicles originally sold or that have ever been registered in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New Yo…
NHTSA 16V358000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 25/05/2016
Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2009-2011 Legacy, Outback, Forester, 2006-2011 Impreza, Tribeca, 2003-2006 Baja, and 2006 Saab 9-2x vehicles originally sold or that have ever been registered in Alabama, California, Flori…
NHTSA 09V277000
Fuel System, Gasoline › Delivery › Fuel Pump
Date: 17/07/2009
SUBARU IS RECALLING 15,761 MY 2005-2006 BAJA VEHICLES. CRACKS MAY DEVELOP IN THE FUEL HOSE CONNECTION ON THE OUTLET PRESSURE SIDE OF THE FUEL PUMP.
NHTSA 02V240000
Engine And Engine Cooling › Cooling System
Date: 13/09/2002
ON CERTAIN SPORT UTILITY AND PASSENGER VEHICLES EQUIPPED WITH 4-CYLINDER ENGINES, THE WATER PUMP PULLEY CENTER HOLE WAS IMPROPERLY MACHINED.
NHTSA 17V026000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 11/01/2017
Subaru of America, Inc. (Subaru) is recalling certain 2005-2006 Baja, 2009 Forester, Legacy and Outback and 2006-2009 Impreza (including WRX and STI models) and Tribeca vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbi…
NHTSA 17V016000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 10/01/2017
Subaru of America, Inc. (Subaru) is recalling certain 2005-2006 Baja, 2006-2008 Impreza (including WRX and STI models), Tribeca, and 2006 Saab 9-2X vehicles, originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Mi…
NHTSA 17V014000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 10/01/2017
Subaru of America, Inc. (Subaru) is recalling certain 2005-2006 Subaru Baja, 2006-2011 Impreza (including WRX and STI models), 2006-2012 Tribeca, 2009-2012 Forester, Legacy, Outback, and 2012 WRX vehicles originally sold, or ever registered, in the states of Alabama, California, …
NHTSA 20V002000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 02/01/2020
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware,…
NHTSA 20V001000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 02/01/2020
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (STI included), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alabama, California, Flo…
NHTSA 20V003000
Air Bags › Frontal › Passenger Side › Inflator Module
Date: 02/01/2020
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Conne…
NHTSA 14V763000
Air Bags
Date: 01/12/2014
Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy and Outback vehicles, and 2003-2005 Baja vehicles sold, or ever registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Puerto…
NHTSA 04V473000
Engine And Engine Cooling
Date: 01/10/2004
ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE COVER BOLTS FOR THE ENGINE OIL CONTROL VALVE MAY NOT BE SUFFICIENTLY TIGHTENED, ALLOWING OIL TO LEAK FROM AROUND THE COVER GASKET.
🔴 DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE

53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.

Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
!BRAKE
Brake System WarningBrakes
K
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
+−
Battery / Charging SystemElectrical
Low Fuel WarningFuel
!BRAKE
ABS WarningBrakes
!BRAKE
Brake Pad Wear IndicatorBrakes
!BRAKE
Electronic Parking Brake (EPB)Brakes
!
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
S
Suspension Fault / Air SuspensionSuspension
N
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
!
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
?
4WD / AWD SystemDrivetrain
L
Bulb Failure WarningLighting
L
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
AC
A/C System FaultHvac
Clutch Wear WarningTransmission
A
Cruise Control / ACC FaultADAS
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
L
Rear Fog Light IndicatorLighting
A
Lane Departure / LDWS WarningADAS
A
Forward Collision Warning (FCW/AEB)ADAS
A
Blind Spot Monitor FaultADAS
A
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
!
Door Open WarningBody
!
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
📢 REPORTED COMPLAINTS & PROBLEMS (NHTSA)

118 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Subaru Baja across model years 2003–2006. These are real, verified reports submitted by vehicle owners.

10 crash reports 2 fires 9 injuries
Complaints by model year (most reported first)
Model year 200339
Model year 200537
Model year 200624
Model year 200418
Most reported components (all years)
Air Bags17
Service Brakes14
Fuel System14
Gasoline14
Fuel/Propulsion System13
Power Train12
Sample reports
1. REAR ROTORS WHERE PITTED AFTER 22 MONTHS, FRONT ROTORS WERE BLUE. THIS WAS DOCUMENTED ON 12/20/07. BRAKE FAILURE RESULTED IN CAR CRASH TWO DAYS LATER. *TR (MY 2006)
2006 SUBARU BAJA TURBO WITH SEVERAL PROBLEMS INCLUDING LUNGING FORWARD AND RANDOMLY SPUTTERING AND HESITATING.. CONSUMER STATES THAT THE PROBLEMS BEGAN WHEN THE VEHICLE HAD 707 MILES AND HAVE CONTINUED. *KB THE CONSUMER STATED ON ONE… (MY 2006)
DT: THE CONTACT STATED WHILE DRIVING DOWN A WINDING MOUNTAIN ROAD THE VEHICLE LOST BRAKING POWER. SHE TRIED TO SLOW IT BY DOWN SHIFTING THE GEARS, AND THEN SHE USED THE EMERGENCY BRAKE. THE VEHICLE STARTED SMOKING AND SHE DROVE INTO… (MY 2003)
TL* THE CONTACT OWNS A 2006 SUBARU BAJA. WHILE THE GEAR SHIFTER WAS IN REVERSE, THE ACCELERATOR PEDAL WAS DEPRESSED AND A GRINDING NOISE WAS HEARD FROM THE FRONT DRIVER'S SIDE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WA… (MY 2006)

Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 2003–2006.

Frequently Asked Questions

Does the Subaru Baja have any safety recalls?

Yes — 16 official NHTSA recall campaign(s) affect this model, mainly: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE, AIR BAGS, POWER TRAIN:AUTOMATIC TRANSMISSION. Check the recalls section for your exact year/VIN.

What does fault code P0003 mean on the Subaru Baja?

Fuel Volume Regulator Control Circuit Low This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

What does fault code P0002 mean on the Subaru Baja?

Fuel Volume Regulator Control Circuit Range/Performance This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

What does fault code P0001 mean on the Subaru Baja?

Fuel Volume Regulator Control Circuit/Open This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

Are brakes problems common on the Subaru Baja?

Yes — 16 of 113 real owner reports filed with NHTSA mention the brakes. One owner reported: “The contact owns a 2003 Subaru Baja. The contact stated that while attempting to park the vehicle, the vehicle would move forward inadvertently until the contact applied the parking brake. The dealer …” See the owner-reported complaints section below for more.

Are engine problems common on the Subaru Baja?

Yes — 22 of 113 real owner reports filed with NHTSA mention the engine. One owner reported: “EVERY TIME I DRIVE MY 2003 BAJA IN COLD WEATHER IT SMELLS LIKE RAW FUEL. IT MAKES ME FEEL LIGHT HEADED AND DIZZY. THE SELL COMES IN THRU THE VENTS AND FILLS THE CAB WITH FUMES. THE FUEL LEAKS OUT O…” See the owner-reported complaints section below for more.

Are fuel system problems common on the Subaru Baja?

Yes — 24 of 113 real owner reports filed with NHTSA mention the fuel system. One owner reported: “TL* THE CONTACT OWNS A 2003 SUBARU BAJA. WHEN THE VEHICLE WAS STATIONARY OR WHEN DRIVING VARIOUS SPEEDS, THE CONTACT NOTICED A STRONG ODOR OF FUEL COMING THROUGH THE VENTS. THERE WAS NO WARNING INDICA…” See the owner-reported complaints section below for more.

What tyres does the Subaru Baja (2003–2006) use?

The original OEM tyre size for the Subaru Baja (2003–2006) is 215/55 R16. Compatible alternative sizes: ["245/50R17", "225/60R16", "245/45R19", "225/55R17", "225/50R18"]. See the Tyres section on this page to compare offers from the main suppliers.

Which OBD2 fault codes are commonly documented for the Subaru Baja (2003–2006)?

Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.

How often should the Subaru Baja (2003–2006) be serviced?

Routine maintenance for the Subaru Baja (2003–2006) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.

Found what you were looking for? Explore other Subaru models in our database, compare tyre offers in your size, or search a specific fault code in the TroubleAtlas OBD2 database.

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