Jeep GME-T4 engine: known problems

Used in 2 guides · 1995cc · 6 known problems

Displacement

1995cc

Timing

Chain-driven

Known problems6

Everything our guides list for the variants with this engine: the engine itself plus the gearbox and ancillaries it's paired with. Each shows which cars it's listed for.

High

High-voltage battery failure / fire risk

The 4xe high-voltage battery has been linked to failures and fire risk across 2022-2024 Jeep/Stellantis 4xe products, prompting recalls and software/hardware remedies. Owners were in some cases advised not to charge or to park away from structures pending the fix.

Fix: Ensure all 4xe battery recalls and software updates are completed; buy only with a valid factory warranty and documented remedy.

Any · ~$0 under recall / very high out of warranty

Listed for: Jeep Grand Cherokee WL

Medium

PHEV software / charging interruptions and check-engine lights

Early 4xe owners report charging interruptions, hybrid-system warning lights, and powertrain glitches often traced to software, mirroring issues seen on the Wrangler 4xe.

Fix: Apply the latest Uconnect/hybrid control software; have the dealer scan and reflash. Confirm charging works on the supplied cable before buying.

Any · ~$0-1500

Listed for: Jeep Grand Cherokee WL

Medium

Coolant loss on the 2.0 turbo

The 2.0 GME turbo has a well-reported tendency to lose coolant with no obvious external leak, raising concern about internal coolant migration; needs investigation as it can escalate.

Fix: Pressure-test the cooling system, monitor coolant level, and have any internal coolant loss diagnosed early under warranty where possible.

Any · ~$300-2500

Listed for: Jeep Wrangler JL

Medium

Stop-start / 48V eTorque auxiliary battery faults

The stop-start and 48V mild-hybrid system rely on a healthy auxiliary/12V battery pair; premature battery failure causes warning lights, erratic stop-start and electrical glitches.

Fix: Replace failed batteries with correct spec; check charging/BMS and software updates.

Any · ~$300-1200

Listed for: Jeep Wrangler JL

Low

Reduced effective range and economy when depleted

Once the battery is flat the 2.0 turbo hauls a heavy PHEV on its own, so real fuel use rises well above the 3.2 L/100km ADR figure, especially towing.

Fix: Charge regularly to benefit; not a fault.

Any · Running cost

Listed for: Jeep Grand Cherokee WL

Low

Turbo / forced-induction wear at high km

As a small turbo engine working hard in a heavy 4WD, the turbo and related plumbing can wear at higher km, especially if oil services are stretched.

Fix: Strict oil-change discipline; address boost/oil-consumption symptoms early.

From 150k+ km · ~$2000-4000

Listed for: Jeep Wrangler JL

Cars with the GME-T42

Jeep Grand Cherokee WL

2021-2026 · 2.0L 4xe turbo plug-in hybrid

Caution

Jeep Wrangler JL

2018-2026 · 2.0L GME turbo petrol (eTorque mild-hybrid)

Caution

From the FlamingCars guides for these cars. Specs are shown only where the guides agree and the value is verified.