P1240 on 2009-2020 SEAT Ibiza (Reference, Style, FR, Xcellence) — Manufacturer-Specific Injector / Fuel System Circuit Fault
1 vehicles · 1 makes · $300-$1,800 repair
Most Reported On
P1240 is an OBD-II diagnostic trouble code meaning “Manufacturer-Specific Injector / Fuel System Circuit Fault.” P1240 is a manufacturer-specific powertrain code, generally associated with a fuel injector or fuel-system circuit fault, though the exact assignment differs by manufacturer. On several platforms it indicates a problem in a specific cylinder's injector circuit (often referenced as cylinder 4) or a related fuel-control/power-supply issue. A fault here can disrupt precise fuel delivery and lead to rough idle, misfire, and reduced performance. Confirm the exact meaning with make-and-model service information. This code is most commonly reported on 2009-2020 SEAT Ibiza (Reference, Style, FR, Xcellence), with repair costs ranging from $300 to $1,800.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P1240, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does P1240 mean?
P1240 stands for "Manufacturer-Specific Injector / Fuel System Circuit Fault." P1240 is a manufacturer-specific powertrain code, generally associated with a fuel injector or fuel-system circuit fault, though the exact assignment differs by manufacturer. On several platforms it indicates a problem in a specific cylinder's injector circuit (often referenced as cylinder 4) or a related fuel-control/power-supply issue. A fault here can disrupt precise fuel delivery and lead to rough idle, misfire, and reduced performance. Confirm the exact meaning with make-and-model service information.
What are the most common causes of P1240?
The most common causes of P1240 are: Faulty or open fuel injector (cylinder-specific), Wiring, connector, or harness fault in the injector circuit, Injector power-supply or ground problem, Corroded or loose electrical connections, Faulty injector driver in the PCM/ECM, Fuel-system pressure or delivery fault (some makes), Internal PCM/ECM fault. The specific cause varies by vehicle.
How much does it cost to fix P1240?
Repair costs for P1240 range from $300 to $1,800, depending on the vehicle and root cause.
Which vehicles are affected by P1240?
Au7o has documented P1240 across 1 vehicle models from 1 manufacturers: SEAT.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.