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Generic OBD-II code references — Page 52.

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9,249 code references for Generic OBD-II

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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Generic OBD-II
P22F7

Cylinder 8 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22F8

Cylinder 8 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22F9

A slow NOx rise can fail by initial delay or slower subsequent response

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Generic OBD-II
P22FA

upstream NOx response is evaluated during a fuel-cut transition

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Generic OBD-II
P22FB

engine-out NOx signal disagrees with its model

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Generic OBD-II
P22FC

NOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 2

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P22FD

NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 2

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Generic OBD-II
P22FE

post-catalyst NOx sensing-cell self-test fails

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Generic OBD-II
P22FF

Ford SCR inlet temperature stays below its target

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Generic OBD-II
P2300

Cylinder 1 ignition control circuit has a low electrical fault

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Generic OBD-II
P2301

Cylinder 1 ignition control circuit shows a power-short signature

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Generic OBD-II
P2302

Cylinder 1 ion-sensing circuit and secondary ignition diagnosis

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P2303

Cylinder 2 ignition control is diagnosed electrically low

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P2304

Cylinder 2 ignition output remains high in the monitored on state

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Generic OBD-II
P2305

Cylinder 2 ion-sensor signal error at lower engine speed

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Generic OBD-II
P2306

Cylinder 3 ignition control has a ground-short signature

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Generic OBD-II
P2307

Cylinder 3 ignition control fails its high-circuit check

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Generic OBD-II
P2308

Cylinder 3 ion-sensor input error and the P0303 decision

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Generic OBD-II
P2309

A coil low-circuit fault with an unresolved channel label

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Generic OBD-II
P230A

Cylinder 1 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230B

Cylinder 2 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230C

Cylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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P230D

Cylinder 4 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230E

Cylinder 5 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230F

Cylinder 6 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P2310

Why a coil high-circuit code needs a verified channel mapping

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Generic OBD-II
P2311

Cylinder 4 secondary-ignition code interpreted through ion sensing

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Generic OBD-II
P2312

Why a low ignition-driver signal needs its command state

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Generic OBD-II
P2313

Interpreting an ignition output that stays high when commanded on

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Generic OBD-II
P2314

Ignition Coil E Secondary Circuit

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Generic OBD-II
P2315

Separating ignition circuit low from a combustion misfire

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Generic OBD-II
P2316

Why ignition-driver high is judged during an on command

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Generic OBD-II
P2317

Ignition Coil F Secondary Circuit

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Generic OBD-II
P2318

Understanding the coil G off-state low-voltage check

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Generic OBD-II
P2319

Coil G circuit high and the significance of the active command

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Generic OBD-II
P231A

Cylinder 7 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231B

Cylinder 8 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231C

Cylinder 9 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231D

Cylinder 10 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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P231E

Cylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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P231F

Cylinder 12 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P2320

Ignition Coil G Secondary Circuit

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Generic OBD-II
P2321

A low ignition-control signal with an unresolved coil label

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Generic OBD-II
P2322

Reading an ignition circuit-high code without guessing the cylinder

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Generic OBD-II
P2323

Ignition Coil H Secondary Circuit

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Generic OBD-II
P2324

Coil-driver low evidence depends on ignition architecture

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Generic OBD-II
P2325

Ignition Coil I Primary Control Circuit High

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Generic OBD-II
P2326

Ignition Coil I Secondary Circuit

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Generic OBD-II
P2327

Ignition Coil J Primary Control Circuit Low

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Generic OBD-II
P2328

Ignition Coil J Primary Control Circuit High

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Generic OBD-II
P2329

Ignition Coil J Secondary Circuit

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Generic OBD-II
P232A

TCM Request - Forced Engine Shutdown

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Generic OBD-II
P232B

Cylinder 11 Fuel Injector A Offset Learning At Min Limit

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P232C

Cylinder 11 Fuel Injector A Offset Learning At Max Limit

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Generic OBD-II
P232D

Cylinder 12 Fuel Injector A Offset Learning At Min Limit

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P232E

Cylinder 12 Fuel Injector A Offset Learning At Max Limit

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Generic OBD-II
P232F

O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2

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Generic OBD-II
P2330

Ignition Coil K Primary Control Circuit Low

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Generic OBD-II
P2331

Ignition Coil K Primary Control Circuit High

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Generic OBD-II
P2332

Ignition Coil K Secondary Circuit

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Generic OBD-II
P2333

Ignition Coil L Primary Control Circuit Low

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Generic OBD-II
P2334

Ignition Coil L Primary Control Circuit High

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Generic OBD-II
P2335

Ignition Coil L Secondary Circuit

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Generic OBD-II
P2336

Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold

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P2337

Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold

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P2338

Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold

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P2339

Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P233A

fuel metering valve 2 open-load detection

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Generic OBD-II
P233B

fuel metering valve 2 low-side short to ground

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P233C

fuel metering valve 2 low-side short to power

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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.