IsItAGoodCar
Reliability Guide

Common Problems with the
2021 Jeep Compass (MP)

Comprehensive mid-cycle refresh featuring an entirely redesigned dashboard with 10.1-inch Uconnect 5 display, slim full-LED headlights, Level 2 Highway Assist, and new 1.5 e-Hybrid.

What changed for 2021

  • •Radical interior overhaul featuring a layered horizontal dashboard, 10.25-inch digital driver instrument cluster, and free-standing 10.1-inch Uconnect 5 infotainment screen
  • •Redesigned front styling with slimmer full-LED headlamps, repositioned daytime running lights, wider lower air intake, and refreshed seven-slot grille
  • •Advanced Level 2 driver assistance package introduced, featuring Highway Assist with lane-centring and adaptive cruise control
  • •Addition of the 1.5-litre e-Hybrid powertrain delivering 130PS with an integrated 48V electric motor and 7-speed dual-clutch transmission

Common MOT watch-outs

  • !Advanced driver assistance camera and radar alignment faults causing dashboard warning lights that fail MOT inspections
  • !Uneven front tyre wear caused by speed humps and heavy curb contact on 18-inch and 19-inch wheel variants
  • !Binding electric parking brake actuators on rear calipers after winter road grime exposure
  • !Leaking front strut shock absorbers and cracked rubber bump stops from punishing British potholed surfaces
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Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

4xe 12V Battery Parasitic Drain

SeriousElectrics & Electronics

The Telematics Box Module (TBM) can stay "awake," draining the 12V battery completely overnight. This is especially common if the vehicle is left plugged into a charger after reaching 100%.

Est. Repair Cost: £150–£300 (Update/Replacement)
Warning Signs:

Dead battery after being parked, Stop/Start unavailable, "Service Hybrid System" warning, Vehicle unresponsive to key fob

What to Inspect:
  • Check battery health
  • Ensure TBM and BCM software updates have been applied
Verified by IsItAGoodCar Research Team

9-Speed Auto Transmission (ZF 9HP) Glitches

ModerateGearbox & Transmission

The 9-speed automatic can be jerky and hesitant, particularly in the lower gears. Early models suffered from poor software calibration.

Est. Repair Cost: £150–£600 (Software/Fluid)
Warning Signs:

Jerky downshifts into 2nd gear, Hesitation when accelerating from a standstill, Hunting for gears at motorway speeds

What to Inspect:
  • Check for TCM software update history
  • Test drive at low speeds and check for smooth shifts
Verified by IsItAGoodCar Research Team

Electrical System "Phantoms"

ModerateElectrics & Electronics

Random warning lights for airbags, ABS, or ESP that disappear and reappear without a clear mechanical fault, often caused by sensitive voltage thresholds.

Est. Repair Cost: £100–£800 (Diagnosis/Wiring)
Warning Signs:

Intermittent warning lights, Stop/Start unavailable message, Infotainment screen blackouts

What to Inspect:
  • Check the health of the 12V battery; many issues are voltage-related
Verified by IsItAGoodCar Research Team

Buying Tips for 2021 Jeep Compass (MP)

  • Test the Uconnect 5 infotainment thoroughly for software stability, Bluetooth stability, and wireless smartphone pairing responsiveness
  • Check that the forward-facing ADAS camera behind the windscreen is free of cracks or stone chips that would require expensive recalibration
  • On e-Hybrid models, ensure the 7-speed dual-clutch transmission smoothly engages reverse and first gear without low-speed shuddering
  • Verify that the car has received all over-the-air (OTA) and dealership software updates for the digital instrument cluster and hybrid supervisory controller
20202022
Check a 2021 Jeep Compass (MP) by Registration