The control module detected improper operation of the Engine Oil Temperature circuit. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1185 Diagnostic Trouble Code (9 interpretations)
9 manufacturer-specific interpretations across 8 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
Chrysler
1 interpretationThe control module detected improper operation of the Engine Oil Temperature 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 signal in the Intake manifold air control valve circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Dodge.
Possible causes
- Wiring
- connectors
- intake manifold air control valve
- ECM
Ford
1 interpretationThe control module detected a fault associated with the FTS High Fuel Pump Temperature Sensor 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.
Land Rover
1 interpretationThe control module detected a fault associated with the Oxygen sensor heater 1 - cylinders 1, 2, 3, 4, 5, 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 Land Rover.
Possible causes
- Wiring
- HO2S
Mercedes-Benz
1 interpretationThe control module detected a fault associated with the Engine oil sensor, quality - water in oil circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.
Possible causes
Engine oil
VAG
2 interpretationsThe control module detected a short circuit to ground in the Linear Oxygen Sensor Common Ground circuit. This is the manufacturer-specific definition used by Audi.
Possible causes
- Wiring open circuit
- HO2S
The control module detected a short circuit to ground in the Linear Oxygen Sensor Common Ground circuit. This is the manufacturer-specific definition used by Volkswagen.
Volvo
1 interpretationThe control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (System). This is the manufacturer-specific definition used by Volvo.
Possible causes
- Intake blocked
- EVAP canister purge valve
- fuel pressure high
- EGR system
- injector(s)
- HO2S
Related and nearby codes
How to read P1185
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 P1185
What does P1185 mean?
Diagnostic Trouble Code (9 interpretations). The control module detected improper operation of the Engine Oil Temperature circuit. This is the manufacturer-specific definition used by Chevrolet.
Is P1185 generic or manufacturer-specific?
P1185 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Dodge, Ford, Land Rover, Mercedes-Benz, VAG, Volvo. The same number can mean something different on other brands.
Can TuningBot remove P1185 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: Oxygen Sensors (Lambda)
