P CODE FAMILY
Powertrain code references — Page 66.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P2103
throttle driver short-to-power differs from a position error
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Generic OBD-II
P2104
Mazda diesel idle-control diagnosis includes boost and vacuum faults
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Generic OBD-II
P2105
throttle shutdown-path monitoring refers to the previous cycle
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Generic OBD-II
P2106
limited power is a throttle-system response, not a single-part diagnosis
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Generic OBD-II
P2107
Throttle processor communication is distinct from a plate stuck in position
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Generic OBD-II
P2108
throttle module performance covers internal integrity tests
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Generic OBD-II
P2109
Learned throttle minimum position outside the permitted window
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Generic OBD-II
P210A
The bank 2 throttle circuit code has separate open-load and thermal paths
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Generic OBD-II
P210B
Throttle tracking error with a tolerance that changes as the command moves
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Generic OBD-II
P210C
Throttle Actuator B Control Motor Circuit Low
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Generic OBD-II
P210D
Throttle Actuator B Control Motor Circuit High
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Generic OBD-II
P210E
Throttle/Pedal Position Sensor/Switch C/F Voltage Correlation
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Generic OBD-II
P210F
Throttle Actuator B Control System - Forced Limited RPM
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Generic OBD-II
P2110
Ram forced RPM limitation with throttle icing
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Generic OBD-II
P2111
A stuck-open throttle result is a command-response diagnosis
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Generic OBD-II
P2112
A stuck-closed throttle code needs the original control context
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Generic OBD-II
P2113
Throttle/Pedal Position Sensor B Minimum Stop Performance
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Generic OBD-II
P2114
Throttle/Pedal Position Sensor C Minimum Stop Performance
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Generic OBD-II
P2115
Throttle/Pedal Position Sensor D Minimum Stop Performance
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Generic OBD-II
P2116
Throttle/Pedal Position Sensor E Minimum Stop Performance
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Generic OBD-II
P2117
Throttle/Pedal Position Sensor F Minimum Stop Performance
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Generic OBD-II
P2118
Throttle motor current performance is different from plate position error
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Generic OBD-II
P2119
Throttle does not return to its de-energized default position
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Generic OBD-II
P211A
Identify throttle B before interpreting a stuck-open report
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Generic OBD-II
P211B
A stuck-closed throttle B result is a control-state finding
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Generic OBD-II
P211C
Motor-current performance is different from throttle position error
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Generic OBD-II
P211D
The bank 2 throttle spring check examines several return behaviors
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Generic OBD-II
P211E
Throttle Actuator B Control Module Processor
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Generic OBD-II
P211F
Throttle Actuator B Control Module Performance
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Generic OBD-II
P2120
APP1 disagrees across primary and secondary processor evaluations
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Generic OBD-II
P2121
pedal channel one has a separate rationality classification
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Generic OBD-II
P2122
Accelerator pedal sensor 1 signal below its allowed range
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Generic OBD-II
P2123
Accelerator pedal sensor 1 signal exceeds the reference-scale limit
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Generic OBD-II
P2124
F-150 intermittent pedal faults and harness routing at the booster
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Generic OBD-II
P2125
APP2 is out of range on the secondary processor only
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Generic OBD-II
P2126
pedal channel two has an unresolved range classification
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Generic OBD-II
P2127
Accelerator pedal sensor 2 has a low or open signal
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Generic OBD-II
P2128
Accelerator pedal sensor 2 exceeds its electrical upper limit
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Generic OBD-II
P2129
Throttle/Pedal Position Sensor/Switch E Circuit Intermittent
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Generic OBD-II
P212A
Throttle Position Sensor/Switch G Circuit
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Generic OBD-II
P212B
When throttle-position information disagrees with the airflow model
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Generic OBD-II
P212C
The low-voltage limit for the second bank 2 throttle-position channel
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Generic OBD-II
P212D
A high signal on throttle-position sensor 2 at bank 2
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Generic OBD-II
P212E
Throttle Position Sensor/Switch G Circuit Intermittent
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Generic OBD-II
P212F
Throttle/Pedal Position Sensor/Switch F/G Voltage Correlation
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Generic OBD-II
P2130
Throttle/Pedal Position Sensor/Switch F Circuit
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Generic OBD-II
P2131
Throttle/Pedal Position Sensor/Switch F Circuit Range/Performance
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Generic OBD-II
P2132
Ford 6.0L pedal sensor F circuit voltage is low
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Generic OBD-II
P2133
the VAG high-signal fault can involve oxygen-sensor damage
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Generic OBD-II
P2134
Throttle/Pedal Position Sensor/Switch F Circuit Intermittent
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Generic OBD-II
P2135
Throttle position channels disagree after normalization
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Generic OBD-II
P2136
Throttle/Pedal Position Sensor/Switch A/C Voltage Correlation
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Generic OBD-II
P2137
Throttle/Pedal Position Sensor/Switch B/C Voltage Correlation
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Generic OBD-II
P2138
Accelerator pedal channels no longer agree
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Generic OBD-II
P2139
Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation
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Generic OBD-II
P213A
EGR Throttle Control Circuit B /Open
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Generic OBD-II
P213B
Low-pressure EGR motor needs excessive control duty
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Generic OBD-II
P213C
EGR Throttle Control Circuit B Low
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Generic OBD-II
P213D
EGR Throttle Control Circuit B High
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Generic OBD-II
P213E
Fuel Injection System Fault - Forced Engine Shutdown
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Generic OBD-II
P213F
Fuel-pump shutdown following an accident message
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Generic OBD-II
P2140
Throttle/Pedal Position Sensor/Switch E/F Voltage Correlation
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Generic OBD-II
P2141
EGR Throttle Control Circuit A Low
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Generic OBD-II
P2142
EGR Throttle Control Circuit A High
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Generic OBD-II
P2143
EGR Vent Control Circuit/Open
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Generic OBD-II
P2144
EGR Vent Control Circuit Low
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Generic OBD-II
P2145
EGR Vent Control Circuit High
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Generic OBD-II
P2146
The injector group A supply diagnosis includes short-circuit behavior
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Generic OBD-II
P2147
Injector 1 high-side circuit indicates a short to ground
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Generic OBD-II
P2148
Injector 1 remains electrically high when its driver is off
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Generic OBD-II
P2149
Reading injector group B supply faults through driver state
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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
pump overcurrent limits change in heating mode
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Generic OBD-II
P214F
What excessive current in DEF tank heater 1 actually establishes
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Generic OBD-II
P2150
Injector 2 high-side output fails its powered-on check
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Generic OBD-II
P2151
Injector 2 high-side output is high during its off state
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Generic OBD-II
P2152
Why injector group C supply diagnosis is not a flow test
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Generic OBD-II
P2153
Injector 3 supply driver shows a ground-short signature
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Generic OBD-II
P2154
Injector 3 high-side circuit indicates unwanted power
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Generic OBD-II
P2155
Interpreting injector group D’s high-side circuit fault across the source pages
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Generic OBD-II
P2156
Group D supply-low is assessed while its high-side driver is on
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Generic OBD-II
P2157
A group D high-supply fault is checked with the driver switched off
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Generic OBD-II
P2158
vehicle-speed signal two remains unchanged inside a qualified range
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Generic OBD-II
P2159
signal-two speed is outside its documented upper range
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Generic OBD-II
P215A
Wheel-speed information fails the brake controller’s correlation checks
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Generic OBD-II
P215B
speed correlation can fail because the trusted source is unavailable
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Generic OBD-II
P215C
845RE output-speed correlation and application-specific updates
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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
Near-zero transfer-case speed is judged against an expected-motion state
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Generic OBD-II
P2161
A transfer-case speed drop can compete with the no-activity timer
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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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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.