At a Glance
Isuzu has 126 identified common problems across 18 models, with the Trooper being the most affected model and suspension the most common problem category. Based on 778K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read how we identify common car problems →
Below: per-model breakdowns of Isuzu common problems, MOT failure rates by category, pass-rate data, and repair patterns drawn from 778K DVSA MOT tests across 20 years. Click any model to see generation-specific issues, mileage-banded fault patterns, and the most common MOT failures recorded by UK testers.
MOT Tests & Failures by Model
Top Isuzu models by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that model's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
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Isuzu Common Problems by Model
Select a model to see problems by generation
Showing top 9 by MOT test volume — search to find any of 18 Isuzu models.
Trooper
Most common: Suspension
D-max
Most common: Suspension
Rodeo
Most common: Suspension
Grafter
Most common: Brakes
Tf
Most common: Suspension
Piazza
Most common: Suspension
Vehicross
Most common: Brakes
Mu
Most common: Brakes
Wizard
Most common: Suspension
Most Common Isuzu MOT Failures
Every reason Isuzu vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Suspension joint or bush worn | 7.82% |
| 2 | Wiper blades deteriorated | 7.15% |
| 3 | Exhaust system fault | 6.81% |
| 4 | Brake hydraulic component worn | 6.39% |
| 5 | Brake performance below minimum | 6.20% |
| 6 | Tyre tread depth below limit | 5.83% |
| 7 | Stop lamp not working | 5.28% |
| 8 | Number plate lamp not working | 4.91% |
| 9 | Front lamp not working | 4.41% |
| 10 | Driveshaft fault | 4.11% |
| 11 | Windscreen washer not working | 3.16% |
| 12 | Brake pads or linings worn | 2.84% |
| 13 | Tyre condition | 2.71% |
| 14 | Rigid brake pipe corroded or damaged | 2.51% |
| 15 | Headlamp aim defect | 2.03% |
| 16 | Shock absorber worn or leaking | 1.58% |
| 17 | Fog lamp not working | 1.45% |
| 18 | Brake disc or drum worn | 1.38% |
| 19 | Body corrosion or damage | 1.23% |
| 20 | Headlamp fault | 1.20% |
| 21 | Windscreen damage affecting view | 1.08% |
| 22 | Position lamp not working | 1.05% |
| 23 | Front suspension joint worn | 1.00% |
| 24 | Track rod end worn | 0.85% |
| 25 | Front suspension fault | 0.85% |
| 26 | Coil spring broken or corroded | 0.84% |
| 27 | Chassis condition | 0.80% |
| 28 | Parking brake performance below minimum | 0.79% |
| 29 | Suspension mounting corroded | 0.67% |
| 30 | Parking brake condition | 0.67% |
| 31 | Seat belt condition | 0.61% |
| 32 | Indicator fault | 0.60% |
| 33 | Ball joint dust cover split | 0.55% |
| 34 | ABS fault | 0.50% |
| 35 | Rear lamp not working | 0.49% |
| 36 | Horn not working | 0.48% |
| 37 | Spring mounting corroded | 0.43% |
| 38 | Mirror damaged or missing | 0.42% |
| 39 | Battery loose or leaking | 0.40% |
| 40 | Wheel bearing worn | 0.40% |
| 41 | Airbag warning light on | 0.37% |
| 42 | Compression ignition emissions above threshold | 0.34% |
| 43 | Vehicle structure corrosion | 0.33% |
| 44 | Rear fog lamp not working | 0.32% |
| 45 | Spark ignition emissions above threshold | 0.30% |
| 46 | Flexible brake hose damaged | 0.24% |
| 47 | Rear reflector damaged or missing | 0.22% |
| 48 | Catalytic converter efficiency low | 0.21% |
| 49 | Tyre size or type not matched | 0.21% |
| 50 | Brake fluid leak | 0.18% |
| 51 | Suspension linkage fault | 0.16% |
| 52 | Brake pedal movement restricted | 0.16% |
| 53 | Fuel cap damaged or missing | 0.16% |
| 54 | Power steering pipe or hose leaking | 0.16% |
| 55 | Dashboard warning lamp fault | 0.15% |
| 56 | Leaf spring broken or corroded | 0.14% |
| 57 | Electrical switch fault | 0.13% |
| 58 | Brake pedal fault | 0.13% |
| 59 | Engine oil leak | 0.12% |
| 60 | Towbar fault | 0.12% |
| 61 | Fuel pipe corroded or damaged | 0.12% |
| 62 | Brake caliper fault | 0.11% |
| 63 | Drag link end worn | 0.11% |
| 64 | Electrical wiring fault | 0.10% |
| 65 | Fuel tank corroded or leaking | 0.10% |
| 66 | Steering rack fault | 0.09% |
| 67 | Brake lever fault | 0.09% |
| 68 | Body security fault | 0.08% |
| 69 | Steering free play excessive | 0.08% |
| 70 | Brake fluid level low or contaminated | 0.08% |
| 71 | Tyre valve stem damaged | 0.08% |
| 72 | Steering column fault | 0.08% |
| 73 | Steering box fault | 0.08% |
| 74 | Subframe mounting corroded | 0.08% |
| 75 | Propshaft fault | 0.07% |
| 76 | Bumper damaged or insecure | 0.07% |
| 77 | Leaf spring eye worn or broken | 0.07% |
| 78 | Steering lock fault | 0.07% |
| 79 | CV joint worn | 0.07% |
| 80 | Electronic stability control fault | 0.06% |
| 81 | Steering operation fault | 0.06% |
| 82 | Handbrake cable fault | 0.05% |
| 83 | Rear suspension fault | 0.05% |
| 84 | Brake air or vacuum system fault | 0.05% |
| 85 | Driver airbag fault | 0.05% |
| 86 | Steering arm worn | 0.04% |
| 87 | Headlamp levelling device fault | 0.04% |
| 88 | Handbrake lever fault | 0.04% |
| 89 | Spare wheel fault | 0.04% |
| 90 | Bonnet catch or hinge fault | 0.04% |
| 91 | Exhaust emissions above threshold (non-catalyst) | 0.04% |
| 92 | Suspension arm worn or corroded | 0.03% |
| 93 | Brake cable, rod, lever or linkage fault | 0.03% |
| 94 | Brake fluid warning light on | 0.03% |
| 95 | Brake fluid reservoir fault | 0.03% |
| 96 | Outline marker lamp not working | 0.03% |
| 97 | Load sensing valve fault | 0.03% |
| 98 | Reversing lamp not working | 0.03% |
| 99 | Anti-roll bar worn or corroded | 0.03% |
| 100 | Suspension unit fault | 0.03% |
| 101 | Front passenger door fault | 0.03% |
| 102 | Fuel hose damaged or leaking | 0.03% |
| 103 | Power steering pump fault | 0.03% |
| 104 | Steering wheel damaged or insecure | 0.03% |
| 105 | Tailgate damaged or insecure | 0.03% |
| 106 | Exhaust leak | 0.03% |
| 107 | Suspension retaining or locking device fault | 0.03% |
| 108 | Securing bolts missing or insecure | 0.02% |
| 109 | Hydraulic brake cylinder fault | 0.02% |
| 110 | King pin or swivel pin worn | 0.02% |
| 111 | Rear fog lamp warning light fault | 0.02% |
| 112 | Dropside damaged or insecure | 0.02% |
| 113 | Leaf spring shackle bracket corroded | 0.02% |
| 114 | Speedometer fault | 0.02% |
| 115 | Driver door fault | 0.02% |
| 116 | Driver seat fault | 0.02% |
| 117 | Transmission oil leak | 0.02% |
| 118 | Steering intermediate drop arm worn | 0.02% |
| 119 | Step damaged or insecure | 0.02% |
| 120 | Anchor bracket corroded | 0.02% |
| 121 | Steering coupling worn | 0.02% |
| 122 | Steering drive system fault | 0.02% |
| 123 | Bonded suspension condition | 0.02% |
| 124 | Handbrake mechanism or mounting fault | 0.01% |
| 125 | Brake servo fault | 0.01% |
| 126 | Subframe corrosion or damage | 0.01% |
| 127 | Daytime running lamp not working | 0.01% |
| 128 | Brake back plate corroded or damaged | 0.01% |
| 129 | Brake pressure or vacuum buildup insufficient | 0.01% |
| 130 | Universal joint worn | 0.01% |
| 131 | Boot lid damaged or insecure | 0.01% |
| 132 | Passenger seat fault | 0.01% |
| 133 | Trailing arm worn or corroded | 0.01% |
| 134 | Brake valve fault | 0.01% |
| 135 | Brake linkage mounting fault | <0.01% |
| 136 | Hinged tailboard damaged or insecure | <0.01% |
| 137 | Steering damper fault | <0.01% |
| 138 | Front fog lamp not working | <0.01% |
| 139 | Mirror or camera fault | <0.01% |
| 140 | Brake master cylinder or servo mounting fault | <0.01% |
| 141 | Hydraulic fluid leak | <0.01% |
| 142 | Body strengthening plate corroded | <0.01% |
| 143 | Electronic braking system fault | <0.01% |
| 144 | Engine mounting worn or broken | <0.01% |
| 145 | Tie bar or rod worn or corroded | <0.01% |
| 146 | Steering shaft fault | <0.01% |
| 147 | Stub axle worn | <0.01% |
| 148 | Brake wheel cylinder fault | <0.01% |
| 149 | Power steering ram fault | <0.01% |
| 150 | Main beam warning light fault | <0.01% |
| 151 | Window damaged or won't operate | <0.01% |
| 152 | Axle corroded or damaged | <0.01% |
| 153 | Loading door damaged or insecure | <0.01% |
| 154 | Steering lock stop fault | <0.01% |
| 155 | Panhard rod worn or corroded | <0.01% |
| 156 | Radius arm worn or corroded | <0.01% |
| 157 | Brake master cylinder fault | <0.01% |
| 158 | Undertray damaged or missing | <0.01% |
| 159 | Reversing lamp switch fault | <0.01% |
| 160 | Spring saddle corroded | <0.01% |
| 161 | Torsion bar worn or corroded | <0.01% |
| 162 | Dip switch fault | <0.01% |
| 163 | Vehicle floor corroded | <0.01% |
| 164 | Additional braking device fault | <0.01% |
| 165 | Suspension coupling worn | <0.01% |
| 166 | Seat belt or padding damaged | <0.01% |
| 167 | Suspension rod worn or corroded | <0.01% |
| 168 | Wheel hub fault | <0.01% |
| 169 | Access panel damaged or insecure | <0.01% |
| 170 | Indicator warning light fault | <0.01% |
| 171 | Torque or reaction arm worn | <0.01% |
| 172 | Axle beam corroded or cracked | <0.01% |
| 173 | Leaf spring slipper worn | <0.01% |
| 174 | Brake clevis joint worn | <0.01% |
| 175 | Full power hydraulic brake fault | <0.01% |
| 176 | Passenger airbag fault | <0.01% |
| 177 | MacPherson strut worn | <0.01% |
| 178 | Semaphore indicator fault | <0.01% |
| 179 | Suspension linkage attachment bracket or mounting corroded | <0.01% |
| 180 | Brake relay lever fault | <0.01% |
| 181 | Electronic parking brake fault | <0.01% |
| 182 | Handbrake fails on gradient | <0.01% |
| 183 | Brake stationary pin worn | <0.01% |
| 184 | Exhaust heat shield or sound insulation damaged | <0.01% |
| 185 | Hazard warning light fault | <0.01% |
| 186 | Suspension air bellows damaged | <0.01% |
| 187 | Cab corrosion or damage | <0.01% |
| 188 | Halfshaft fault | <0.01% |
| 189 | Headlamp washer not working | <0.01% |
| 190 | Seat belt anchorage fault | <0.01% |
| 191 | Air brake cylinder or actuator fault | <0.01% |
| 192 | Transmission drive belt fault | <0.01% |
| 193 | Hydraulic suspension accumulator fault | <0.01% |
| 194 | Passenger compartment corrosion | <0.01% |
| 195 | Electric power steering fault | <0.01% |
| 196 | Hand-operated brake valve condition | <0.01% |
| 197 | Brake pedal linkage fault | <0.01% |
| 198 | Seat belt pre-tensioner fault | <0.01% |
| 199 | Steering head bearings worn | <0.01% |
| 200 | Tyre pressure monitoring system fault | <0.01% |
| 201 | Speed limiter fault | <0.01% |
Showing all 201 reasons — scroll inside the table for the full list.
Isuzu MOT Failures by Category
Total MOT failure occurrences for Isuzu, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Isuzu problems?
Based on analysis of 778K Isuzu MOT tests from DVSA data, Isuzu has 126 identified common problems across 18 models. The Isuzu Trooper has the most recorded problems. Suspension issues are the most common category.
Which Isuzu model has the most problems?
By total identified common problems, the Isuzu Trooper has the highest count with 52 problems. This is partly because it is one of the more popular Isuzu models on UK roads. See the models grid for a full breakdown.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Isuzu?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Isuzu owners spot problems early. We review all submissions before they are published.
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