2005 Lexus Gx470 Problems & Reliability

Hey there! If you’re a car enthusiast or just someone on the hunt for a reliable SUV, you’ve probably come across the 2005 Lexus GX470. Known for its luxurious feel and off-road capabilities, this vehicle has been a popular choice for many. However, like any car, it’s not without its quirks and issues. In this post, we’re diving into the common problems that owners have faced with the 2005 GX470, as well as its overall reliability. Whether you’re considering buying one or just curious about how it holds up over time, we’ve got you covered. Now, let’s be real—no car is perfect, and the GX470 is no exception. From suspension issues to electrical gremlins, we’ll explore the typical problems that have cropped up over the years. But don’t worry, it’s not all doom and gloom. We’ll also highlight the aspects that make this SUV a dependable choice for many drivers. So, buckle up and join us as we take a closer look at what makes the 2005 Lexus GX470 both a beloved and occasionally frustrating ride.
Body Components

Parts Assessed:

Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).

Reported Problems:

  • Clunk Type Noise From Rear of Vehicle When Stopping

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but some owners have reported a clunk-type noise coming from the rear of the vehicle when stopping. This issue might be related to the suspension or drivetrain components, which can be a bit annoying but is usually fixable with some maintenance. Overall, while the GX470 is a solid SUV, it’s worth keeping an ear out for any unusual noises and addressing them promptly to maintain its smooth performance.

Parts Assessed

Air conditioning compressor, AC condenser, AC evaporator, heater core, blower motor, automatic climate control system, refrigerant leaks, HVAC electrical components, temperature sensors, ventilation system.

Reported Problems:

  • The Sunroof May Jam or Not Close Correctly

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but some owners have reported issues with the sunroof jamming or not closing properly. While this isnt a widespread problem, its something to keep in mind if youre considering this model. Overall, the GX470 remains a solid choice for those seeking a dependable SUV, just be sure to check the sunroof during your test drive.

Parts Assessed

CV joints, driveshaft, axles, differential, limited-slip differential (if applicable), traction control system, electronic stability control (ESC), four-wheel-drive (4WD) components, all-wheel-drive (AWD) components, transfer case, driveline vibration.

Reported Problems:

  • Airbag Warning Light With Code B0111 and/or B0116

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but some owners have reported issues with the airbag warning light, specifically codes B0111 and B0116. These codes typically indicate a problem with the airbag system, which can be concerning for safety. While not all vehicles experience this issue, it’s something to keep an eye on if you’re considering this model.

Parts Assessed

Infotainment system, GPS navigation, Bluetooth connectivity, touchscreen display, phone pairing, backup camera, rear entertainment system, head-up display, instrument cluster, digital gauges.

Reported Problems:

  • Seat Position Fault Code B1153

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but some owners have reported issues with the seat position, specifically fault code B1153. This code indicates a problem with the seat position sensor, which can affect the seat’s adjustability and comfort. While it’s not a widespread issue, it’s something to keep an eye on if you’re considering this model.

Parts Assessed

Radiator, radiator hoses, cooling fan, water pump, thermostat, antifreeze leaks, engine coolant reservoir, overheating prevention system, intercooler (if applicable).

Reported Problems:

  • Check Engine Light With Codes P0440, P0441, P0442, or P0446

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but like any vehicle, it can have its quirks. If you’re seeing a check engine light with codes P0440, P0441, P0442, or P0446, it’s likely related to the EVAP system, which is responsible for controlling emissions. While these issues can be a bit of a hassle, they are usually not major and can often be resolved with a simple fix, like tightening the gas cap or replacing a faulty component in the EVAP system.

Parts Assessed

Alternator, battery, ignition switch, ignition coil, spark plugs, ignition wires, engine control module (ECM), electronic ignition system, auto stop/start function, battery cables, engine wiring harness, fuse box, relays, starter motor.

Reported Problems:

  • Loud Vacuum Cleaner Noise on Cold Start

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but some owners have reported a loud vacuum cleaner noise on cold start. This issue doesn’t seem to affect the overall performance of the vehicle, but it can be annoying for those who experience it. Despite this, the GX470 remains a solid choice for those looking for a dependable SUV.

Parts Assessed

Engine rebuilds, cylinder head, head gasket, timing chain, timing belt, camshaft, crankshaft, connecting rods, turbocharger or supercharger (if applicable), valve train, piston rings, oil control system, engine knocking, engine misfires.

Reported Problems:

  • Updated Navigation Map Disc to Correct GPS Errors

Analysis:

The 2005 Lexus GX470’s updated navigation map disc is a solid fix for those annoying GPS errors that some drivers have experienced. By correcting these inaccuracies, it enhances the overall reliability of the vehicle’s navigation system, making road trips and daily commutes a lot smoother. If you’ve been frustrated with your GPS, this update is definitely worth considering to keep your Lexus running smoothly.

Parts Assessed

Muffler, catalytic converter, exhaust manifold, heat shields, exhaust pipes, oxygen (O₂) sensors, resonator, exhaust leaks, emissions control system.

Reported Problems:

  • Intermittent AC Operation Due to Faulty Compressor Clutch Relay

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but some owners have reported issues with intermittent AC operation due to a faulty compressor clutch relay. This problem can be a bit of a hassle, especially during hot weather, but it’s usually fixable with a relatively simple relay replacement. Overall, while this issue can be annoying, it doesn’t overshadow the vehicle’s reputation for being a dependable ride.

Parts Assessed

Fuel pump, fuel injectors, fuel rail, fuel pressure regulator, throttle body, fuel gauge sensor, evaporative emissions system, EGR (exhaust gas recirculation) valve, charcoal canister, fuel filter, fuel tank, vapor leaks.

Reported Problems:

  • Check Engine Light With any of These Codes: P0171, P0174, P2195, or P2197

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but like any vehicle, it can experience issues over time. If you’re seeing a check engine light with codes like P0171, P0174, P2195, or P2197, it often points to problems with the air-fuel mixture, which could be due to a faulty oxygen sensor or vacuum leak. While these issues can be a bit of a hassle, they are typically fixable and don’t necessarily indicate a major reliability concern for the vehicle overall.

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Onboard Electronics

Parts Assessed

Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.

Reported Problems:

  • Check Engine Light With Codes P043E, P043F, P2401, P0402, and P2419

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but the check engine light with codes P043E, P043F, P2401, P0402, and P2419 can indicate issues with the vehicle’s evaporative emission control system. These codes often point to problems like a faulty leak detection pump or issues with the exhaust gas recirculation system, which can affect performance and emissions. While these problems can be a hassle, they are typically fixable with proper maintenance and repairs.

Parts Assessed

Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.

Reported Problems:

  • Check Engine Light With Code P2742

Analysis:

The 2005 Lexus GX470 is generally known for its reliability, but like any vehicle, it can have its issues. One common problem that owners might encounter is the check engine light with code P2742, which typically indicates a problem with the transmission fluid temperature sensor. While this issue can be a bit of a hassle, it’s not uncommon for a vehicle of this age, and with proper maintenance, the GX470 can still be a dependable ride.

Parts Assessed

Paint durability, clear coat protection, rust prevention, corrosion resistance, body panel alignment, door seals, window trim, plastic trim, metal finishes, fading, cracking, peeling.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Struts, shocks, control arms, sway bars, ball joints, tie rods, wheel bearings, power steering pump, power steering fluid leaks, electronic power steering (EPS), steering rack and pinion, steering linkage, alignment issues, torsion bars, springs, air suspension (if applicable).

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Transmission rebuild, transmission replacement, torque converter, transmission solenoids, gear selector, gear shifting, transmission control module (TCM), transmission fluid leaks, clutch (manual transmission), automatic transmission valve body, CVT (continuously variable transmission) components, dual-clutch transmission (DCT) components.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Conclusion

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