The control module detected improper operation of the Injection Pump Calibration circuit. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1218 Diagnostic Trouble Code (7 interpretations)
7 manufacturer-specific interpretations across 6 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
Chrysler
1 interpretationThe control module detected improper operation of the Injection Pump Calibration circuit. This is the manufacturer-specific definition used by Chrysler.
Recommended checks
- Perform a full module scan
- Review freeze-frame and occurrence data
- Confirm the exact vehicle, ECU and software context
- Inspect relevant wiring and connectors
- Check applicable OEM service information
Dodge
1 interpretationThe control module detected that the Radiator Temperature Sensor Volts value was above the expected limit. This is the manufacturer-specific definition used by Dodge.
Ford
1 interpretationThe control module detected a fault associated with the CID High circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.
Possible causes
- Injector control module
- ECM
Porsche
1 interpretationThe control module detected a fault associated with the Fuel Injector Cylinder 6 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.
VAG
2 interpretationsThe control module detected a short circuit to battery voltage in the Injector 6 circuit. This is the manufacturer-specific definition used by Audi.
Possible causes
- Wiring short to positive
- injector
The control module detected a short circuit to battery voltage in the Fuel Injector for Cylinder 6 (N84) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17626. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Symptoms
- MIL On
- Poor engine performance
Possible causes
- Fuse for injector
- Wiring harness issue
- Failed injector
- Failed ECM
Recommended checks
Inspect wiring to and from injector, see repair manual
Related and nearby codes
How to read P1218
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1218
What does P1218 mean?
Diagnostic Trouble Code (7 interpretations). The control module detected improper operation of the Injection Pump Calibration circuit. This is the manufacturer-specific definition used by Chevrolet.
Is P1218 generic or manufacturer-specific?
P1218 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Dodge, Ford, Porsche, VAG. The same number can mean something different on other brands.
Can TuningBot remove P1218 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
