Independent. Not affiliated with any manufacturer.

Tractor throwing an error code?

Plain-English answers for CLAAS, Massey Ferguson, New Holland, John Deere, Case IH and more tractor and combine error codes. Likely causes, parts needed, and repair difficulty — no dealer or agent visit required.

Try: MF E0614 · JD F13042 · CIH 1000

The cost of not knowing

£2.5 billion

lost to agricultural equipment downtime annually in the UK

£2,500+/year

for manufacturer diagnostic software access

4–7 days

average wait for a dealer/agent technician in harvest season

EU Right to Repair

The EU Right to Repair Directive comes into force in July 2026. Independent shops and farmers will have the right to access diagnostic information and spare parts on fair terms. This tool supports independent repair.

Three steps. No account needed.

🔍

Enter your error code

Type the code exactly as shown on your tractor display. Include the prefix or just the number — we'll work it out.

✅

Get a plain-English diagnosis

No jargon. Likely causes ranked by how often they actually turn out to be the problem in the real world.

🔧

See parts and repair difficulty

OEM part numbers, prices in pounds, tools needed, and whether this is a half-hour job with a spanner or needs a workshop.

Here's what you get

A real example — Massey Ferguson error code E0614.

STOP — Take action immediately
MF E0614AGCO / Massey FergusonManually verified

Engine ECU — Internal Fault Detected

The engine ECU has logged an internal fault. The tractor may exhibit erratic power delivery, unexpected shutdowns, or warning lights with no other obvious cause.

Repair difficulty

Workshop recommended

Repair time

1h

Dealer cost

£320-2800

Likely causes

  1. 1

    Low supply voltage to ECU— Most likely

    A weak battery or poor battery connection causes ECU voltage to drop below spec, triggering internal fault codes. Check battery voltage (should be 12.6V+ at rest) and battery terminal condition.

  2. 2

    Water ingress to ECU or connector— Possible

    MF 7700/8700 ECUs are mounted in areas prone to water ingress. Inspect the ECU and its main connector for signs of moisture.

  3. 3

    CAN bus communication error (false ECU fault)— Possible

    Some E0614 logs are actually downstream from a CAN bus interruption that the ECU reports as its own fault. Look for other active codes.

  4. 4

    Failed ECU— Less common

    Genuine ECU failure is uncommon. Only condemn the ECU after all wiring and power supply issues have been ruled out.

Parts needed

Full details, tools needed, and related codes →

Codes covered

Launching April 2026

Get early access

First 500 users get 6 months free. We're building the full database now — join the list and you'll be first in.

Or — 50% off the launch price.

No spam. Unsubscribe any time. We don't sell your data.

Browse tractor error codes

See all →
MF E0614 — ECU internal faultMF T0100 — Dyna-VT gearbox faultMF H0200 — Brake pressure faultJD F13042 — Coolant temp sensorCIH 1000 — SCR/AdBlue systemCIH 4120 — Hydraulic oil overtemp