MANUFACTURER REFERENCE
Generic OBD-II code references — Page 17.
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Generic OBD-II
P03A9
Cylinder 3 Pressure Sensor Circuit
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Generic OBD-II
P03AA
Cylinder 3 Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P03AB
Cylinder 3 Pressure Sensor Circuit Low
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Generic OBD-II
P03AC
Cylinder 3 Pressure Sensor Circuit High
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Generic OBD-II
P03AD
Cylinder 3 Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P03AE
Cylinder 3 Pressure Too Low
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Generic OBD-II
P03AF
Cylinder 3 Pressure Too High
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Generic OBD-II
P03B0
Cylinder 3 Pressure Variation Low
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Generic OBD-II
P03B1
Cylinder 3 Pressure Variation High
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Generic OBD-II
P03B2
Cylinder 3 Combustion Performance
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Generic OBD-II
P03B3
Cylinder 4 Pressure Sensor Circuit
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Generic OBD-II
P03B4
Cylinder 4 Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P03B5
Cylinder 4 Pressure Sensor Circuit Low
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Generic OBD-II
P03B6
Cylinder 4 Pressure Sensor Circuit High
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Generic OBD-II
P03B7
Cylinder 4 Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P03B8
Cylinder 4 Pressure Too Low
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Generic OBD-II
P03B9
Cylinder 4 Pressure Too High
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Generic OBD-II
P03BA
Cylinder 4 Pressure Variation Low
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Generic OBD-II
P03BB
Cylinder 4 Pressure Variation High
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Generic OBD-II
P03BC
Cylinder 4 Combustion Performance
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Generic OBD-II
P03BD
Cylinder 5 Pressure Sensor Circuit
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Generic OBD-II
P03BE
Cylinder 5 Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P03BF
Cylinder 5 Pressure Sensor Circuit Low
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Generic OBD-II
P03C0
Cylinder 5 Pressure Sensor Circuit High
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Generic OBD-II
P03C1
Cylinder 5 Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P03C2
Cylinder 5 Pressure Too Low
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Generic OBD-II
P03C3
Cylinder 5 Pressure Too High
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Generic OBD-II
P03C4
Cylinder 5 Pressure Variation Low
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Generic OBD-II
P03C5
Cylinder 5 Pressure Variation High
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Generic OBD-II
P03C6
Cylinder 5 Combustion Performance
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Generic OBD-II
P03C7
Cylinder 6 Pressure Sensor Circuit
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Generic OBD-II
P03C8
Cylinder 6 Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P03C9
Cylinder 6 Pressure Sensor Circuit Low
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Generic OBD-II
P03CA
Cylinder 6 Pressure Sensor Circuit High
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Generic OBD-II
P03CB
Cylinder 6 Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P03CC
Cylinder 6 Pressure Too Low
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Generic OBD-II
P03CD
Cylinder 6 Pressure Too High
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Generic OBD-II
P03CE
Cylinder 6 Pressure Variation Low
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Generic OBD-II
P03CF
Cylinder 6 Pressure Variation High
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Generic OBD-II
P03D0
Cylinder 6 Combustion Performance
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Generic OBD-II
P03D1
Cylinder 7 Pressure Sensor Circuit
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Generic OBD-II
P03D2
Cylinder 7 Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P03D3
Cylinder 7 Pressure Sensor Circuit Low
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Generic OBD-II
P03D4
Cylinder 7 Pressure Sensor Circuit High
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Generic OBD-II
P03D5
Cylinder 7 Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P03D6
Cylinder 7 Pressure Too Low
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Generic OBD-II
P03D7
Cylinder 7 Pressure Too High
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Generic OBD-II
P03D8
Cylinder 7 Pressure Variation Low
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Generic OBD-II
P03D9
Cylinder 7 Pressure Variation High
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Generic OBD-II
P03DA
Cylinder 7 Combustion Performance
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Generic OBD-II
P03DB
Cylinder 8 Pressure Sensor Circuit
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Generic OBD-II
P03DC
Cylinder 8 Pressure Sensor Circuit Range/Performance
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Generic OBD-II
P03DD
Cylinder 8 Pressure Sensor Circuit Low
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Generic OBD-II
P03DE
Cylinder 8 Pressure Sensor Circuit High
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Generic OBD-II
P03DF
Cylinder 8 Pressure Sensor Circuit Intermittent/Erratic
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Generic OBD-II
P03E0
Cylinder 8 Pressure Too Low
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Generic OBD-II
P03E1
Cylinder 8 Pressure Too High
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Generic OBD-II
P03E2
Cylinder 8 Pressure Variation Low
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Generic OBD-II
P03E3
Cylinder 8 Pressure Variation High
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Generic OBD-II
P03E4
Cylinder 8 Combustion Performance
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Generic OBD-II
P03E5
A Camshaft Position Actuator Position Sensor C Circuit Bank 1
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Generic OBD-II
P03E6
A Camshaft Position Actuator Position Sensor C Range/Performance Bank 1
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Generic OBD-II
P03E7
A Camshaft Position Actuator Position Sensor C Circuit Low Bank 1
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Generic OBD-II
P03E8
A Camshaft Position Actuator Position Sensor C Circuit High Bank 1
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Generic OBD-II
P03E9
A Camshaft Profile Actuator Position Sensor A Exceeded Learning Limit
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Generic OBD-II
P03EA
A Camshaft Profile Actuator Position Sensor B Exceeded Learning Limit
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Generic OBD-II
P03EB
A Camshaft Profile Actuator Position Sensor C Exceeded Learning Limit
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Generic OBD-II
P03EC
A Camshaft Profile Actuator C Control Circuit/Open Bank 1
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Generic OBD-II
P03ED
A Camshaft Profile Actuator C Control Circuit Low Bank 1
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Generic OBD-II
P03EE
A Camshaft Profile Actuator C Control Circuit High Bank 1
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Generic OBD-II
P03EF
A Camshaft Profile Actuator C Control Performance/Stuck Off Bank 1
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Generic OBD-II
P03F0
A Camshaft Profile Actuator C Control Stuck On Bank 1
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Generic OBD-II
P03F1
B Camshaft Profile Actuator C Control Circuit/Open Bank 1
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Generic OBD-II
P03F2
B Camshaft Profile Actuator C Control Circuit Low Bank 1
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Generic OBD-II
P03F3
B Camshaft Profile Actuator C Control Circuit High Bank 1
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Generic OBD-II
P03F4
B Camshaft Profile Actuator C Control Performance/Stuck Off Bank 1
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Generic OBD-II
P03F5
B Camshaft Profile Actuator C Control Stuck On Bank 1
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Generic OBD-II
P03F6
B Camshaft Position Actuator Position Sensor C Circuit Bank 1
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Generic OBD-II
P03F7
B Camshaft Position Actuator Position Sensor C Range/Performance Bank 1
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Generic OBD-II
P03F8
B Camshaft Position Actuator Position Sensor C Circuit Low Bank 1
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Generic OBD-II
P03F9
B Camshaft Position Actuator Position Sensor C Circuit High Bank 1
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Generic OBD-II
P03FA
Ignition K Control Signal Circuit/Open
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Generic OBD-II
P03FB
Ignition K Control Signal Circuit Low
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Generic OBD-II
P03FC
Ignition K Control Signal Circuit High
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Generic OBD-II
P03FD
Ignition L Control Signal Circuit/Open
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Generic OBD-II
P03FE
Ignition L Control Signal Circuit Low
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Generic OBD-II
P03FF
Ignition L Control Signal Circuit High
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Generic OBD-II
P0400
EGR A Flow
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Generic OBD-II
P0401
EGR A Flow Insufficient Detected
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Generic OBD-II
P0402
EGR A Flow Excessive Detected
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Generic OBD-II
P0403
EGR A Control Circuit/Open
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Generic OBD-II
P0404
EGR A Control Circuit Range/Performance
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Generic OBD-II
P0405
EGR Sensor A Circuit Low
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Generic OBD-II
P0406
EGR Sensor A Circuit High
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Generic OBD-II
P0407
EGR Sensor B Circuit Low
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Generic OBD-II
P0408
EGR Sensor B Circuit High
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Generic OBD-II
P0409
EGR Sensor A Circuit
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Generic OBD-II
P040A
EGR Temperature Sensor A Circuit
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Generic OBD-II
P040B
EGR Temperature Sensor A Circuit Range/Performance
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Generic OBD-II
P040C
EGR Temperature Sensor A 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.