SpareRadar OBD-II Code Lookup

P1028

Set by the manufacturer, so it means different things on different makes. 5 makes in the table below.

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What P1028 means, by make 5 makes
  • Audi Intake manifold for controlling air flow control interruption 441C 17436
  • Chrysler ECU Does Not See Wide Open Throttle
  • Dodge ECU Does Not See Wide Open Throttle
  • Jeep ECU Does Not See Wide Open Throttle
  • Volkswagen Intake Manifold Air Control Solenoid Circuit Open

Each line is that manufacturer's own meaning for P1028. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure P1028
P
Powertrain
engine, transmission and emissions
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
0
2
8
Fault index
identifies the specific fault
Powertrain Manufacturer-specific
Nearby codes in the P1 range
P1024 manufacturer-specific, 5 makes P1025 manufacturer-specific, 6 makes P1026 manufacturer-specific, 6 makes P1027 manufacturer-specific, 5 makes P1030 manufacturer-specific, 5 makes P1032 manufacturer-specific, 8 makes P1033 manufacturer-specific, 5 makes P1035 manufacturer-specific, 2 makes

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.