MANUFACTURER REFERENCE
Generic OBD-II code references — Page 48.
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Generic OBD-II
P2149
Fuel Injector Group B Supply Voltage Circuit/Open
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Generic OBD-II
P214A
SCR NOx Catalyst Inlet Temperature Too High
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Generic OBD-II
P214B
SCR NOx Catalyst Inlet Temperature Too High During Particulate Filter Regeneration
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Generic OBD-II
P214C
SCR NOx Catalyst Outlet Temperature Too High
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Generic OBD-II
P214D
SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration
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Generic OBD-II
P214E
Reductant Pump A Current Too High
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Generic OBD-II
P214F
Reductant Heater A Current Too High
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Generic OBD-II
P2150
Fuel Injector Group B Supply Voltage Circuit Low
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Generic OBD-II
P2151
Fuel Injector Group B Supply Voltage Circuit High
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Generic OBD-II
P2152
Fuel Injector Group C Supply Voltage Circuit/Open
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Generic OBD-II
P2153
Fuel Injector Group C Supply Voltage Circuit Low
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Generic OBD-II
P2154
Fuel Injector Group C Supply Voltage Circuit High
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Generic OBD-II
P2155
Fuel Injector Group D Supply Voltage Circuit/Open
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Generic OBD-II
P2156
Fuel Injector Group D Supply Voltage Circuit Low
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Generic OBD-II
P2157
Fuel Injector Group D Supply Voltage Circuit High
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Generic OBD-II
P2158
Vehicle Speed Sensor B Circuit
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Generic OBD-II
P2159
Vehicle Speed Sensor B Circuit Range/Performance
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Generic OBD-II
P215A
Vehicle Speed - Wheel Speed Correlation
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Generic OBD-II
P215B
Vehicle Speed - Output Shaft Speed Correlation
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Generic OBD-II
P215C
Output Shaft Speed - Wheel Speed Correlation
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Generic OBD-II
P215D
Reductant Pump B Stuck On
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Generic OBD-II
P215E
Reductant Heater D Current Too Low
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Generic OBD-II
P215F
Reductant Heater D Current Too High
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Generic OBD-II
P2160
Vehicle Speed Sensor B Circuit Low
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Generic OBD-II
P2161
Vehicle Speed Sensor B Circuit Intermittent/Erratic/High
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Generic OBD-II
P2162
Vehicle Speed Sensor A/B Correlation
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Generic OBD-II
P2163
Throttle/Pedal Position Sensor A Maximum Stop Performance
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Generic OBD-II
P2164
Throttle/Pedal Position Sensor B Maximum Stop Performance
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Generic OBD-II
P2165
Throttle/Pedal Position Sensor C Maximum Stop Performance
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Generic OBD-II
P2166
Throttle/Pedal Position Sensor D Maximum Stop Performance
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Generic OBD-II
P2167
Throttle/Pedal Position Sensor E Maximum Stop Performance
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Generic OBD-II
P2168
Throttle/Pedal Position Sensor F Maximum Stop Performance
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Generic OBD-II
P2169
Exhaust Pressure Regulator Vent Solenoid Control Circuit/Open
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Generic OBD-II
P216A
Fuel Injector Group E Supply Voltage Circuit/Open
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Generic OBD-II
P216B
Fuel Injector Group E Supply Voltage Circuit Low
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Generic OBD-II
P216C
Fuel Injector Group E Supply Voltage Circuit High
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Generic OBD-II
P216D
Fuel Injector Group F Supply Voltage Circuit/Open
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Generic OBD-II
P216E
Fuel Injector Group F Supply Voltage Circuit Low
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Generic OBD-II
P216F
Fuel Injector Group F Supply Voltage Circuit High
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Generic OBD-II
P2170
Exhaust Pressure Regulator Vent Solenoid Control Circuit Low
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Generic OBD-II
P2171
Exhaust Pressure Regulator Vent Solenoid Control Circuit High
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Generic OBD-II
P2172
Throttle Actuator Control System - Sudden High Air Flow Detected
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Generic OBD-II
P2173
Throttle Actuator Control System - High Air Flow Detected
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Generic OBD-II
P2174
Throttle Actuator Control System - Sudden Low Air Flow Detected
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Generic OBD-II
P2175
Throttle Actuator Control System - Low Air Flow Detected
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Generic OBD-II
P2176
Throttle Actuator A Control System - Idle Position Not Learned
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Generic OBD-II
P2177
System Too Lean Off Idle Bank 1
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Generic OBD-II
P2178
System Too Rich Off Idle Bank 1
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Generic OBD-II
P2179
System Too Lean Off Idle Bank 2
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Generic OBD-II
P217A
Fuel Injector Group G Supply Voltage Circuit/Open
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Generic OBD-II
P217B
Fuel Injector Group G Supply Voltage Circuit Low
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Generic OBD-II
P217C
Fuel Injector Group G Supply Voltage Circuit High
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Generic OBD-II
P217D
Fuel Injector Group H Supply Voltage Circuit/Open
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Generic OBD-II
P217E
Fuel Injector Group H Supply Voltage Circuit Low
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Generic OBD-II
P217F
Fuel Injector Group H Supply Voltage Circuit High
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Generic OBD-II
P2180
System Too Rich Off Idle Bank 2
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Generic OBD-II
P2181
Cooling System Performance
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Generic OBD-II
P2182
Engine Coolant Temperature Sensor 2 Circuit
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Generic OBD-II
P2183
Engine Coolant Temperature Sensor 2 Circuit Range/Performance
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Generic OBD-II
P2184
Engine Coolant Temperature Sensor 2 Circuit Low
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Generic OBD-II
P2185
Engine Coolant Temperature Sensor 2 Circuit High
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Generic OBD-II
P2186
Engine Coolant Temperature Sensor 2 Circuit Intermittent/Erratic
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Generic OBD-II
P2187
System Too Lean at Idle Bank 1
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Generic OBD-II
P2188
System Too Rich at Idle Bank 1
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Generic OBD-II
P2189
System Too Lean at Idle Bank 2
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Generic OBD-II
P218A
Throttle Actuator B Control System - Idle Position Not Learned
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Generic OBD-II
P218B
Throttle/Fuel Inhibit B Circuit
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Generic OBD-II
P218C
Throttle/Fuel Inhibit B Circuit Range/Performance
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Generic OBD-II
P218D
Throttle/Fuel Inhibit B Circuit Low
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Generic OBD-II
P218E
Throttle/Fuel Inhibit B Circuit High
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Generic OBD-II
P218F
Reductant No Flow Detected
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Generic OBD-II
P2190
System Too Rich at Idle Bank 2
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Generic OBD-II
P2191
System Too Lean at Higher Load Bank 1
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Generic OBD-II
P2192
System Too Rich at Higher Load Bank 1
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Generic OBD-II
P2193
System Too Lean at Higher Load Bank 2
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Generic OBD-II
P2194
System Too Rich at Higher Load Bank 2
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Generic OBD-II
P2195
O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1
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Generic OBD-II
P2196
O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1
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Generic OBD-II
P2197
O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 1
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Generic OBD-II
P2198
O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 1
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Generic OBD-II
P2199
Intake Air Temperature Sensor 1/2 Correlation
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Generic OBD-II
P219A
Bank 1 Air-Fuel Ratio Imbalance
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Generic OBD-II
P219B
Bank 2 Air-Fuel Ratio Imbalance
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Generic OBD-II
P219C
Cylinder 1 Air-Fuel Ratio Imbalance
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Generic OBD-II
P219D
Cylinder 2 Air-Fuel Ratio Imbalance
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Generic OBD-II
P219E
Cylinder 3 Air-Fuel Ratio Imbalance
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Generic OBD-II
P219F
Cylinder 4 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A0
Cylinder 5 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A1
Cylinder 6 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A2
Cylinder 7 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A3
Cylinder 8 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A4
Cylinder 9 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A5
Cylinder 10 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A6
Cylinder 11 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A7
Cylinder 12 Air-Fuel Ratio Imbalance
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Generic OBD-II
P21A8
Reductant Level Sensor B Circuit
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Generic OBD-II
P21A9
Reductant Level Sensor B Circuit Range/Performance
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Generic OBD-II
P21AA
Reductant Level Sensor B Circuit Low
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Generic OBD-II
P21AB
Reductant Level Sensor B Circuit High
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Generic OBD-II
P21AC
Reductant Level Sensor B Circuit Intermittent/Erratic
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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.