MANUFACTURER REFERENCE
Generic OBD-II code references — Page 14.
Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.
Generic OBD-II
P027A
Fuel Pump Module B Control Circuit/Open
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Generic OBD-II
P027B
Invalid pump B control data has a specific feedback signature
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Generic OBD-II
P027C
Fuel Pump Module B Control Circuit Low
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Generic OBD-II
P027D
Fuel Pump Module B Control Circuit High
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Generic OBD-II
P027E
Cold Start Fuel Injection Quantity A Lower Than Expected
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Generic OBD-II
P027F
Cold Start Fuel Injection Quantity A Higher Than Expected
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Generic OBD-II
P0280
Cylinder-seven injector high means a high-to-low-side short here
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Generic OBD-II
P0281
Cylinder-seven balance is a correction result, not an automatic injector verdict
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Generic OBD-II
P0282
Cylinder-eight injector low should be read as a driver-detected short
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Generic OBD-II
P0283
A cylinder-eight high-circuit code can identify a cross-side short
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Generic OBD-II
P0284
Cylinder-eight balancing must be interpreted with operating mode
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Generic OBD-II
P0285
Cylinder 9 Injector A Circuit Low
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Generic OBD-II
P0286
Cylinder 9 Injector A Circuit High
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Generic OBD-II
P0287
Cylinder 9 Contribution/Balance
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Generic OBD-II
P0288
Cylinder 10 Injector A Circuit Low
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Generic OBD-II
P0289
Cylinder 10 Injector A Circuit High
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Generic OBD-II
P028A
Charge Air Cooler Cooling Fan Control Circuit/Open
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Generic OBD-II
P028B
Charge Air Cooler Cooling Fan Performance/Stuck Off
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Generic OBD-II
P028C
Charge Air Cooler Cooling Fan Stuck On
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Generic OBD-II
P028D
Charge Air Cooler Cooling Fan Control Circuit Low
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Generic OBD-II
P028E
Charge Air Cooler Cooling Fan Control Circuit High
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Generic OBD-II
P028F
Charge Air Cooler Cooling Fan Control Circuit Driver Performance
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Generic OBD-II
P0290
Cylinder 10 Contribution/Balance
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Generic OBD-II
P0291
Cylinder 11 Injector A Circuit Low
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Generic OBD-II
P0292
Cylinder 11 Injector A Circuit High
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Generic OBD-II
P0293
Cylinder 11 Contribution/Balance
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Generic OBD-II
P0294
Cylinder 12 Injector A Circuit Low
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Generic OBD-II
P0295
Cylinder 12 Injector A Circuit High
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Generic OBD-II
P0296
Cylinder 12 Contribution/Balance
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Generic OBD-II
P0297
Vehicle Overspeed Condition
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Generic OBD-II
P0298
Ford 7.3L oil temperature that fails to fall
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Generic OBD-II
P0299
Underboost at steady demand or during a pressure rise
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Generic OBD-II
P029A
Ford cylinder 1 fuel-balance correction reaches its upper limit
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Generic OBD-II
P029B
Ford cylinder 1 fuel trim reaches its minimum boundary
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Generic OBD-II
P029C
Cylinder 1 - Injector Restricted
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Generic OBD-II
P029D
cylinder-1 injector leakage inferred from two failures
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Generic OBD-II
P029E
Ford cylinder 2 fuel trim reaches the maximum limit
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Generic OBD-II
P029F
Ford cylinder 2 fuel-balance correction is at its minimum
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Generic OBD-II
P02A0
Cylinder 2 - Injector Restricted
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Generic OBD-II
P02A1
cylinder-2 injector leakage evidence
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Generic OBD-II
P02A2
Ford cylinder 3 reaches maximum fuel trim
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Generic OBD-II
P02A3
Ford cylinder 3 minimum fuel-trim limit
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Generic OBD-II
P02A4
Cylinder 3 - Injector Restricted
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Generic OBD-II
P02A5
Cylinder 3 injector leakage is inferred from combined evidence
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Generic OBD-II
P02A6
Ford cylinder 4 fuel trim at maximum
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Generic OBD-II
P02A7
Ford cylinder 4 fuel trim reaches minimum
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Generic OBD-II
P02A8
Cylinder 4 - Injector Restricted
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Generic OBD-II
P02A9
Cylinder 4 leakage detection excludes an electrical injector fault
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Generic OBD-II
P02AA
Ford cylinder 5 maximum fuel-trim correction
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Generic OBD-II
P02AB
Ford cylinder 5 minimum fuel-trim correction
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Generic OBD-II
P02AC
Cylinder 5 - Injector Restricted
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Generic OBD-II
P02AD
Cylinder 5 misfire evidence must be paired with rail-control status
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Generic OBD-II
P02AE
Cylinder 6 - Fuel Trim at Max Limit
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Generic OBD-II
P02AF
Cylinder 6 - Fuel Trim at Min Limit
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Generic OBD-II
P02B0
Cylinder 6 - Injector Restricted
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Generic OBD-II
P02B1
The cylinder 6 leakage monitor needs an eligible operating window
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Generic OBD-II
P02B2
Cylinder 7 - Fuel Trim at Max Limit
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Generic OBD-II
P02B3
Cylinder 7 - Fuel Trim at Min Limit
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Generic OBD-II
P02B4
Cylinder 7 - Injector Restricted
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Generic OBD-II
P02B5
Cylinder 7 leakage is a monitor conclusion, not a direct leak measurement
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Generic OBD-II
P02B6
Cylinder 8 - Fuel Trim at Max Limit
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Generic OBD-II
P02B7
Cylinder 8 - Fuel Trim at Min Limit
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Generic OBD-II
P02B8
Cylinder 8 - Injector Restricted
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Generic OBD-II
P02B9
Cylinder 8 leakage evidence must remain cylinder-specific
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Generic OBD-II
P02BA
Cylinder 9 - Fuel Trim at Max Limit
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Generic OBD-II
P02BB
Cylinder 9 - Fuel Trim at Min Limit
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Generic OBD-II
P02BC
Cylinder 9 - Injector Restricted
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Generic OBD-II
P02BD
Cylinder 9 - Injector Leaking
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Generic OBD-II
P02BE
Cylinder 10 - Fuel Trim at Max Limit
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Generic OBD-II
P02BF
Cylinder 10 - Fuel Trim at Min Limit
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Generic OBD-II
P02C0
Cylinder 10 - Injector Restricted
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Generic OBD-II
P02C1
Cylinder 10 - Injector Leaking
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Generic OBD-II
P02C2
Cylinder 11 - Fuel Trim at Max Limit
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Generic OBD-II
P02C3
Cylinder 11 - Fuel Trim at Min Limit
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Generic OBD-II
P02C4
Cylinder 11 - Injector Restricted
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Generic OBD-II
P02C5
Cylinder 11 - Injector Leaking
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Generic OBD-II
P02C6
Cylinder 12 - Fuel Trim at Max Limit
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Generic OBD-II
P02C7
Cylinder 12 - Fuel Trim at Min Limit
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Generic OBD-II
P02C8
Cylinder 12 - Injector Restricted
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Generic OBD-II
P02C9
Cylinder 12 - Injector Leaking
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Generic OBD-II
P02CA
Overboost compares pressure with a changing request
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Generic OBD-II
P02CB
bank-2 underboost monitoring and a calibration caveat
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Generic OBD-II
P02CC
cylinder 1 reaches the minimum injection-learning limit
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Generic OBD-II
P02CD
cylinder 1 exceeds its upper injector-learning boundary
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Generic OBD-II
P02CE
understanding cylinder 2 minimum SQP authority
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Generic OBD-II
P02CF
cylinder 2 maximum injector offset in the SQP map
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Generic OBD-II
P02D0
cylinder 3 correction below the SQP learning floor
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Generic OBD-II
P02D1
why cylinder 3 can reach maximum learned injector correction
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Generic OBD-II
P02D2
cylinder 4 minimum injector-learning authority
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Generic OBD-II
P02D3
cylinder 4 learning exceeds maximum energizing-time authority
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Generic OBD-II
P02D4
what cylinder 5 minimum offset learning actually measures
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Generic OBD-II
P02D5
cylinder 5 upper-limit SQP adaptation
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Generic OBD-II
P02D6
cylinder 6 reaches a lower SQP adaptation boundary
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Generic OBD-II
P02D7
cylinder 6 maximum learned injector-time correction
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Generic OBD-II
P02D8
A cylinder 7 learning limit can remain stored at one rail-pressure level
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Generic OBD-II
P02D9
Cylinder 7 maximum adaptation is a map-wide finding
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Generic OBD-II
P02DA
Cylinder 8 minimum offset is more than the latest correction number
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Generic OBD-II
P02DB
Cylinder 8 upper offset learning requires checking retained saturation states
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Generic OBD-II
P02DC
Cylinder 9 Fuel Injector A Offset Learning At Min Limit
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Generic OBD-II
P02DD
Cylinder 9 Fuel Injector A Offset Learning At Max Limit
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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.