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Powertrain code references — Page 70.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

9,891 code references in powertrain

Generic OBD-II
P2293

regulator-controlled rail pressure exceeds a speed-dependent ceiling

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Generic OBD-II
P2294

regulator 2 open circuit is diagnosed with the driver off

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Generic OBD-II
P2295

regulator 2 low circuit is an off-state ground-short test

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Generic OBD-II
P2296

fuel pressure regulator 2 driver short-to-power detection

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Generic OBD-II
P2297

oxygen concentration drift during stable deceleration

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Generic OBD-II
P2298

An out-of-range wideband signal with operating conditions that need careful reading

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Generic OBD-II
P2299

Journey pedal-signal incompatibility and the 2.4 L calibration row

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Generic OBD-II
P229A

Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too Low

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Generic OBD-II
P229B

Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too High

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Generic OBD-II
P229C

Fuel Pressure Regulator B Exceeded Learning Limits - Too Low

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Generic OBD-II
P229D

Fuel Pressure Regulator B Exceeded Learning Limits - Too High

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Generic OBD-II
P229E

Tailpipe NOx processor and circuit faults share this code in Ford’s summary

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Generic OBD-II
P229F

post-catalyst NOx sensor current-control instability

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Generic OBD-II
P22A0

NOx sensor 2 reports below its allowed concentration range

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Generic OBD-II
P22A1

NOx sensor 2 exceeds its upper reporting limit

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Generic OBD-II
P22A2

NOx Sensor Circuit Intermittent Bank 1 Sensor 2

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Generic OBD-II
P22A3

open heater-control circuit reported by NOx sensor 2

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Generic OBD-II
P22A4

NOx sensor 2 heater-control short to ground

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Generic OBD-II
P22A5

NOx sensor 2 heater-control short to supply

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Generic OBD-II
P22A6

open NOx sensor 2 heater-sense circuit

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Generic OBD-II
P22A7

NOx sensor 2 heater resistance fails its performance check

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Generic OBD-II
P22A8

NOx sensor 2 heater-sense short to ground

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Generic OBD-II
P22A9

NOx sensor 2 heater-sense short to power

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Generic OBD-II
P22AA

NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 2

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Generic OBD-II
P22AB

O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 2

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Generic OBD-II
P22AC

O2 Sensor Positive Current Control Circuit Low Bank 1 Sensor 2

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Generic OBD-II
P22AD

O2 Sensor Positive Current Control Circuit High Bank 1 Sensor 2

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Generic OBD-II
P22AE

O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 2

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Generic OBD-II
P22AF

O2 Sensor Reference Voltage Performance Bank 1 Sensor 2

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Generic OBD-II
P22B0

O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 2

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Generic OBD-II
P22B1

O2 Sensor Reference Voltage Circuit High Bank 1 Sensor 2

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Generic OBD-II
P22B2

O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 2

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Generic OBD-II
P22B3

O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 2

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Generic OBD-II
P22B4

O2 Sensor Negative Current Control Circuit High Bank 1 Sensor 2

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Generic OBD-II
P22B5

O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 2

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Generic OBD-II
P22B6

NOx sensor 2 oxygen signal below its reporting floor

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Generic OBD-II
P22B7

NOx sensor 2 oxygen signal above its reporting ceiling

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Generic OBD-II
P22B8

O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 2

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Generic OBD-II
P22B9

O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 2

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Generic OBD-II
P22BA

O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 2

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Generic OBD-II
P22BB

O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 2

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Generic OBD-II
P22BC

O2 Sensor Reference Voltage Performance Bank 2 Sensor 2

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Generic OBD-II
P22BD

O2 Sensor Reference Voltage Circuit Low Bank 2 Sensor 2

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Generic OBD-II
P22BE

O2 Sensor Reference Voltage Circuit High Bank 2 Sensor 2

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Generic OBD-II
P22BF

O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 2

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Generic OBD-II
P22C0

O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 2

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Generic OBD-II
P22C1

O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 2

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Generic OBD-II
P22C2

O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 2

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Generic OBD-II
P22C3

O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 2

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Generic OBD-II
P22C4

O2 Sensor Pumping Current Trim Circuit High Bank 2 Sensor 2

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Generic OBD-II
P22C5

Turbocharger Compressor Outlet Valve Control Circuit/Open

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Generic OBD-II
P22C6

Turbocharger Compressor Outlet Valve Control Circuit Low

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Generic OBD-II
P22C7

Turbocharger Compressor Outlet Valve Control Circuit High

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Generic OBD-II
P22C8

Turbocharger Compressor Outlet Valve Stuck Open

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Generic OBD-II
P22C9

Turbocharger Compressor Outlet Valve Stuck Closed

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Generic OBD-II
P22CA

Turbocharger Compressor Outlet Switching Valve Control Circuit/Open

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Generic OBD-II
P22CB

Turbocharger Compressor Outlet Switching Valve Control Circuit Low

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Generic OBD-II
P22CC

Turbocharger Compressor Outlet Switching Valve Control Circuit High

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Generic OBD-II
P22CD

Turbocharger Compressor Outlet Switching Valve Stuck Open

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Generic OBD-II
P22CE

Turbocharger Compressor Outlet Switching Valve Stuck Closed

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Generic OBD-II
P22CF

Turbocharger Turbine Inlet Valve Control Circuit/Open

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Generic OBD-II
P22D0

Turbocharger Turbine Inlet Valve Control Circuit Low

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Generic OBD-II
P22D1

Turbocharger Turbine Inlet Valve Control Circuit High

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Generic OBD-II
P22D2

Turbocharger Turbine Inlet Valve Stuck Open

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Generic OBD-II
P22D3

Cherokee hybrid turbine-inlet code that can be falsely stored

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Generic OBD-II
P22D4

Turbocharger Turbine Inlet Valve Position Sensor Circuit

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Generic OBD-II
P22D5

Turbocharger Turbine Inlet Valve Position Sensor Circuit Range/Performance

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Generic OBD-II
P22D6

Turbocharger Turbine Inlet Valve Position Sensor Circuit Low

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Generic OBD-II
P22D7

Turbocharger Turbine Inlet Valve Position Sensor Circuit High

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Generic OBD-II
P22D8

Turbocharger Turbine Inlet Valve Position Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P22D9

Cylinder 1 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22DA

Cylinder 1 Alternative Fuel Injector Control Circuit Low

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Generic OBD-II
P22DB

Cylinder 1 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22DC

Cylinder 1 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22DD

Cylinder 2 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22DE

Cylinder 2 Alternative Fuel Injector Control Circuit Low

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Generic OBD-II
P22DF

Cylinder 2 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22E0

Cylinder 2 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22E1

Cylinder 3 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22E2

Cylinder 3 Alternative Fuel Injector Control Circuit Low

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Generic OBD-II
P22E3

Cylinder 3 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22E4

Cylinder 3 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22E5

Cylinder 4 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22E6

Cylinder 4 Alternative Fuel Injector Control Circuit Low

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Generic OBD-II
P22E7

Cylinder 4 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22E8

Cylinder 4 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22E9

Cylinder 5 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22EA

Cylinder 5 Alternative Fuel Injector Control Circuit Low

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Generic OBD-II
P22EB

Cylinder 5 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22EC

Cylinder 5 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22ED

Cylinder 6 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22EE

Cylinder 6 Alternative Fuel Injector Control Circuit Low

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Generic OBD-II
P22EF

Cylinder 6 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22F0

Cylinder 6 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22F1

Cylinder 7 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22F2

Cylinder 7 Alternative Fuel Injector Control Circuit Low

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Generic OBD-II
P22F3

Cylinder 7 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22F4

Cylinder 7 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22F5

Cylinder 8 Alternative Fuel Injector Control Circuit/Open

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Generic OBD-II
P22F6

Cylinder 8 Alternative Fuel Injector Control Circuit Low

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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.