The control module detected a fault associated with the Ambient Pressure Sensor Rationality Check circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
TuningBot DTC Database · v4.37.15
P1077 Diagnostic Trouble Code (5 interpretations)
5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.
BMW
1 interpretation
Dodge
1 interpretationThe control module judged the EVAP canister purge system behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Dodge.
Possible causes
- Vacuum leak
- EVAP system hoses
- EVAP solenoid
- ECM
Honda
1 interpretationThe control module registered the fault condition described as "Intake manifold air control valve - stuck in high RPM position". This is the manufacturer-specific definition used by Honda.
Possible causes
- Wiring
- intake manifold air control actuator
- intake manifold
- ECM programming
- ECM
PSA
2 interpretationsThe control module detected that the Fault in the variable valve lift system was above its expected limit. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
The control module detected that the Fault in the variable valve lift system was above its expected limit. Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Related and nearby codes
How to read P1077
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 P1077
What does P1077 mean?
Diagnostic Trouble Code (5 interpretations). The control module detected a fault associated with the Ambient Pressure Sensor Rationality Check circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
Is P1077 generic or manufacturer-specific?
P1077 is a manufacturer-specific code. In this database it is documented for: BMW, Dodge, Honda, PSA. The same number can mean something different on other brands.
Can TuningBot remove P1077 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: EVAP System
