NHTSA ID Number: 11021642
Manufacturer Communication Number: TUCC_JUL2025_16
TSB/Document Date: 2025-08-06
Summary
The low coolant light may be illuminated/there may be a coolant leak from the engine area.
FIXED RIGHT ENHANCED DIAGNOSTICS
TURBOCHARGER COOLANT FEED AND RETURN PIPE
O-RING LEAK – 3.0L / P6
Range Rover
• 20-25MY Range Rover
• 19-25MY RR Sport
• 21-25MY RR Velar
Defender
• 20–25MY Defender
Discovery
• 21 -24MY Discovery
Jaguar
• 21-24MY F-PACE
• The low coolant light may be illuminated/there may be a coolant leak from the engine area.
• TOPIx workflow must be run by selecting the relevant symptom dropdowns: Powertrain > Engine > Fluid Leaks > Coolant
leak
• When running the workflow, a test plan titled “Turbocharger Coolant Pipe Leakage – Test” should be run.
• If fault is found during the test plan, approval will be granted to replace the O-ring seals – refer to SSM 76268 (Jaguar) &
SSM 76269 (Land Rover). Normal warranty policies apply when replacing the O-ring seals. You do not need a FRED
approval via workflow or manual submission.
• If there is visible damage to the coolant pipes, please submit a manual FRED with photographic evidence attached.
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Last update on 2026-05-22 / Affiliate links / Images from Amazon Product Advertising API
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TSB/Document ID: TUCC_JUL2025_16
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-11
MFR Internal Campaign ID/Software Version:
Communication Type: Other
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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