Powertrain Control Module (PCM) Stall

The PCM can unexpectedly switch off, leading to engine stall. This is a safety-critical concern that can occur without warning, increasing crash risk. Remedies may involve software updates or component replacement. Estimated repair cost: $500 - $1,500.

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2020 Land Rover Defender Maintenance guide

Name: Maintenance dataset for 2020 Land Rover Defender
Creator: Carfocal

v1.0Updated Jun 11, 2026Ethan Miller4 Sources Analyzed3 Critical Recalls

MAINTENANCE SUMMARY

The 2020 Land Rover Defender presents a below-average reliability verdict, marked by a significant number of recalls, particularly concerning its powertrain and electrical systems. Owners should prioritize addressing recalls related to the PCM stall issue and DC-DC converter failure, as these can lead to unexpected loss of motive power.

View Critical Issue: Engine Oil Leak (Cam Carrier Blockage)

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

6 TSBs | 34 Recalls

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Key Takeaways

Prioritize recalls concerning the PCM stall issue and DC-DC converter failure.
Regularly inspect for engine oil leaks due to potential cam carrier blockage.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance