Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Engine malfunction indicator lamp (MIL) illuminates when starting engine from cold. Trouble code stored in engine control module (ECM) fault memory: P1164
Overview
- Affects
- All models with Diesel engines.
- Fault codes
P1164- Remedy
- Software update
Cause
Engine control module (ECM) software fault.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program engine control module (ECM) with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 4.
Steering
1 documented fault — symptoms, causes and workshop fixes.
Vibration through steering wheel and knocking noise from front suspension
Cause
Excessive play in front shock absorbers.
Repair
- Check front shock absorbers for excessive wear or damage. Replace component(s) as necessary.
Data: Motorwise Workshop. Bulletin 1.
Clutch & gearbox
1 documented fault — symptoms, causes and workshop fixes.
Grinding noise from transmission when selecting 3rd and/or 4th gear
Unsatisfactory design of 3rd/4th gear synchroniser hub assembly. Fix: fit a modified part.
Overview
- Affects
- All models with manual transmission.
- Remedy
- Fit modified part
Repair steps
- Remove transmission assembly.
- Disassemble transmission assembly.
- Fit modified 3rd/4th gear synchroniser hub assembly.
- Inspect 3rd gear assembly for damage and replace if necessary.
- Inspect 4th gear assembly for damage and replace if necessary.
- Reassemble transmission and refit.
Parts
| Part | Part number | Qty |
|---|---|---|
| Synchroniser hub assembly | SU001A0856 | 1 |
| 3rd gear assembly | Refer to manufacturer | 1 |
| 4th gear assembly | Refer to manufacturer | 1 |
Data: Motorwise Workshop. Bulletin 2.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
Abnormal noise in passenger compartment when AC/heater blower first switched on and ambient air temperature is low
Cause
Poor manufacture of AC/heater blower motor.
Repair
- Fit modified AC/heater blower motor.
Data: Motorwise Workshop. Bulletin 3.
Other
1 documented fault — symptoms, causes and workshop fixes.
Water ingress into front footwells
Water ingress through bulkhead bodywork joints due to insufficient quantity of sealant.
Overview
- Affects
- All models, →27/08/20.
Repair steps
- Disconnect battery.
- Remove windscreen scuttle panel.
- Remove windscreen wiper assembly.
- Remove sound insulation material in plenum chamber.
- Inspect bodywork joints in plenum chamber. Apply sealant to bodywork joints in the affected area.
- Repeat procedure for opposite side.
- Refit components in reverse order of removal.
- Reconnect battery.
- Dry out carpets as necessary.
Parts
| Part | Part number | Qty |
|---|---|---|
| Bodywork sealant | Refer to manufacturer | 1 |
Data: Motorwise Workshop. Bulletin 5.
Glossary
Technical terms used in this guide.
- ECM
- Engine control module — the electronic unit that manages the engine
- AC/Heater
- The heating and air-conditioning system
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Blower Motor
- The fan that pushes air through the heater and air-conditioning
Frequently asked questions
What are the common faults with the Toyota Proace Proace Verso 1.5 4x2?
This guide contains five workshop bulletins for the Toyota Proace Proace Verso 1.5 4x2. Of these, one concerns the engine and fuel system and one the steering. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Proace Proace Verso 1.5 4x2 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 Proace Proace Verso 1.5 4x2 faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.