Brakes
1 documented fault — symptoms, causes and workshop fixes.
Brakes squeal
Overview
- Affects
- All models.
Cause
Replacement brake pads fitted without anti-squeal shims.
Repair
- Ensure brake pad anti-squeal shims are fitted.
- Replacement shims available separately.
Data: Motorwise Workshop. Bulletin 1.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Active height control suspension does not operate or rises slowly
Symptoms
Trouble codes stored: C1571, C1762.
Cause
Height control accumulator O ring breaks up and blocks hydraulic pump.
Repair
- Inspect production date code on suspension height control accumulator: If production date before 25/10/02 (24X2), replace height control accumulator and hydraulic pump.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Height control accumulator | 49130-60010 | 1 |
| Hydraulic pump | - | 1 |
Data: Motorwise Workshop. Bulletin 2.
Clutch & gearbox
1 documented fault — symptoms, causes and workshop fixes.
Failure of automatic transmission kickdown function
Symptoms
Trouble code stored in engine control module (ECM) fault memory: P0120.
Cause
Throttle position (TP) sensor faulty.
Repair
- Check throttle position (TP) sensor wiring harness continuity. If no fault(s) found: Fit new throttle position (TP) sensor.
Data: Motorwise Workshop. Bulletin 3.
Glossary
Technical terms used in this guide.
- ECM
- Engine control module — the electronic unit that manages the engine
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Fault Memory
- The list of stored trouble codes in a control module
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
- Wiring Harness
- The bundled cables that carry power and signals around the vehicle
Frequently asked questions
What are the common faults with the Toyota Landcruiser Colorado Prado 3.4?
This guide contains three workshop bulletins for the Toyota Landcruiser Colorado Prado 3.4. Of these, one concerns the brakes and one the suspension and drivetrain. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Landcruiser Colorado Prado 3.4 have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Toyota Landcruiser Colorado Prado 3.4 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.