Reliability Guide

Common Problems with the
2017 Jeep Cherokee (KL)

By 2017, Chrysler had significantly improved the ZF 9-speed calibration through multiple TSBs, making the Cherokee a much more viable used buy. The transmission is now described as "acceptable" rather than "notorious," and most shift-quality complaints were resolved.

What changed for 2017

  • Significantly improved ZF 9-speed shift calibration
  • TCM software updates largely resolved harsh shifting
  • 2.2 MultiJet diesel became available
  • Improved electrical reliability over earlier models

Common MOT watch-outs

  • !PTU failure still possible on neglected 4WD cars
  • !Turbocharger wear on 2.2 diesel at higher mileages
  • !Service 4WD light if PTU splines wear
3
Known Issues
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Serious
0
Moderate
0
Minor

All Known Issues

9-Speed Automatic Transmission (ZF 9HP) Faults

SeriousGearbox & Transmission

The ZF 9-speed automatic is notorious for rough shifting, hesitation, and a tendency to "hunt" for gears.

Est. Repair Cost: £250–£3,500
Warning Signs:

Jerky gear changes, Hesitation when pulling away, Unexpected shifting into neutral

What to Inspect:
  • Check for the latest software updates (TCU flashes)
  • Test drive for smooth transitions between 2nd and 3rd gear
Verified by IsItAGoodCar Research Team

Power Transfer Unit (PTU) Failure

SeriousGearbox & Transmission

The PTU, which sends power to the rear wheels, is prone to internal spline wear or actuator failure.

Est. Repair Cost: £800–£1,500
Warning Signs:

"Service 4WD" warning light, Grinding noise from front axle, 4WD system won't engage

What to Inspect:
  • Scan for 4WD system fault codes
  • Check history for PTU replacements or software updates
Verified by IsItAGoodCar Research Team

2.2 MultiJet Turbocharger Failure

SeriousEngine

On UK diesel models, the turbocharger can suffer from premature wear, leading to significant power loss.

Est. Repair Cost: £800–£1,400
Warning Signs:

Loss of power, Whining noise under acceleration, Check Engine light

What to Inspect:
  • Listen for unusual turbo whistle
  • Check for smoke under heavy acceleration
Verified by IsItAGoodCar Research Team

Buying Tips for 2017 Jeep Cherokee (KL)

  • 2017+ is the recommended buy point for the Cherokee KL — the transmission is genuinely smoother
  • Still check service history for transmission fluid changes
  • Test the 4WD system thoroughly and scan for stored fault codes