SSM75869

5/5/23, 8:13 AM
TOPIx - SSM75869 - `Coolant Low` Warning Message Displayed On The Instrument Panel Cluster
Reference
SSM75869
Models
Defender / L663
Discovery / L462
New Range Rover / L460
New Range Rover Sport / L461
Range Rover / L405
Range Rover Sport / L494
Range Rover Velar / L560
Title
`Coolant Low` Warning Message Displayed On The Instrument Panel Cluster
Category
Engine
Last modified
05-May-2023 00:00:00
Symptom
402000 Cooling System Concerns
Content
L663, L462, L405, L494, L460, L461, L560
All model years
Ingenium I6 3.0L Diesel/Petrol and V8 4.4L Petrol only
Issue:
Customers are reporting a 'Coolant Low' warning message displayed on the instrument panel cluster.
Cause:
Multiple potential engine coolant leak paths.
Action:
NOTE: Vehicles must be returned to the customer with the engine coolant at the required
maximum level.
1. Pressure test the engine cooling system as detailed in the TOPIx Workshop Manual, (see TOPIx
Workshop Manual section 303-03: Engine Cooling - Diagnosis and Testing - Cooling System
Pressure Test).
2. Make sure the following components are inspected as part of the cooling system pressure testing
diagnosis:
- Coolant expansion tank/coolant expansion tank filler cap
- Turbocharger coolant inlet/outlet hoses
- Thermostat housing and hose connections
- Auxiliary water pump connections
- Radiators and coolers
- Charge air coolers - external and internal (remove the charge air cooler intake pipe to inspect for
internal leaks)
3. Vehicles must be returned to the customer with the engine coolant at the required maximum level.
https://topix.landrover.jlrext.com/topix/content/document/view?id=1688129
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5/5/23, 8:13 AM
TOPIx - SSM75869 - `Coolant Low` Warning Message Displayed On The Instrument Panel Cluster
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