At a Glance
The Jeep Grand Cherokee WK has 6 identified problems that occur more often than the UK average, with Rear fog lamp not working being the most reported. Electrical is the most common MOT failure category. The most serious issue flagged is Parking brake performance below minimum, rated as dangerous. Based on 121K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on this model than the UK average — confirmed at 99% statistical confidence. Read how we calculate MOT pass rates and problems →
Below: the full MOT-data picture for the Jeep Grand Cherokee WK — MOT pass rate vs the UK average, common problems vs UK fleet patterns, the most likely MOT failures by frequency, fault occurrence by mileage band, and pass/fail trends. All numbers drawn from DVSA records.
Jeep Grand Cherokee WK MOT Pass Rate
Across 121K MOT tests from DVSA data, the Jeep Grand Cherokee WK (2005–2010) has a fail rate of 30.8%.
UK average fail rate (2006–2010): 38.6%
Common Jeep Grand Cherokee WK Problems
Owner-submitted reports plus patterns we've identified across 559 million UK MOT tests. Each MOT-derived item below — whether tagged as a Problem, Wear & Tear or Consumable — shows up noticeably more often on this generation than across the UK fleet, which is why it's here. Owner reports are pinned to the top by default; use the sort and filter pills below to view a specific tier or change the order.
Rear fog lamp not working
1,166
occurrences
Parking brake performance below minimum
1,082
occurrences
Compression ignition emissions above threshold
540
occurrences
Brake pads or linings worn
70
occurrences
Brake performance below minimum
69
occurrences
Tell Us About Your Problem
Help other Jeep Grand Cherokee WK owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Jeep Grand Cherokee WK owners — report a problem and we'll add it to the database
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Problems by mileage
Common problems, MOT failures and advisories on the Jeep Grand Cherokee WK, grouped by the mileage they typically appear at.
573 distinct problems · 186,220 total occurrences in current filter
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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.
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Other Jeep Grand Cherokee Generations
ZJ
1994–1998
16 problems
WJ
1999–2004
11 problems
WK
2005–2010
8 problems
Current page
WK2
2011–2021
5 problems
WL
2022–2025
0 problems
Frequently Asked Questions
What are the most common Jeep Grand Cherokee WK problems?
Based on DVSA MOT data for the Jeep Grand Cherokee WK (2005–2010), we have identified 6 common problems. The most frequently reported is "Rear fog lamp not working". Electrical is the most common MOT failure category.
How reliable is the Jeep Grand Cherokee WK?
This generation has 121K MOT tests on record with a 30.8% fail rate. A fault is flagged as a "Common Problem" only when it occurs significantly more often on this model than the UK average, confirmed at 99% statistical confidence.
What commonly fails the MOT on a Jeep Grand Cherokee WK?
There are 171 distinct MOT failure types recorded for the WK (2005–2010), grouped by the mileage these failures typically occur. See the Common MOT Failures section on this page.
Can I report a problem with my Jeep Grand Cherokee WK?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Jeep Grand Cherokee owners spot problems early. All submissions are reviewed before being added to the public database.
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