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Powertrain code references — Page 64.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

9,891 code references in powertrain

Generic OBD-II
P203B

Reductant Level Sensor A Circuit Range/Performance

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Generic OBD-II
P203C

Reductant Level Sensor A Circuit Low

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Generic OBD-II
P203D

Reductant Level Sensor A Circuit High

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Generic OBD-II
P203E

Reductant Level Sensor A Circuit Intermittent/Erratic

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Generic OBD-II
P203F

Reductant Level Too Low

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Generic OBD-II
P2040

Reductant Injection Air Pressure Sensor A Circuit High

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Generic OBD-II
P2041

Reductant Injection Air Pressure Sensor A Circuit Intermittent

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Generic OBD-II
P2042

Reductant Temperature Sensor A Circuit

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Generic OBD-II
P2043

Reductant Temperature Sensor A Circuit Range/Performance

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Generic OBD-II
P2044

Reductant Temperature Sensor A Circuit Low

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Generic OBD-II
P2045

Reductant Temperature Sensor A Circuit High

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Generic OBD-II
P2046

Reductant Temperature Sensor A Circuit Intermittent

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Generic OBD-II
P2047

Reductant Injection Valve Circuit/Open Bank 1 Unit 1

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Generic OBD-II
P2048

Reductant Injection Valve Circuit Low Bank 1 Unit 1

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Generic OBD-II
P2049

Reductant Injection Valve Circuit High Bank 1 Unit 1

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Generic OBD-II
P204A

Reductant Pressure Sensor Circuit

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Generic OBD-II
P204B

Reductant Pressure Sensor Circuit Range/Performance

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Generic OBD-II
P204C

Reductant Pressure Sensor Circuit Low

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Generic OBD-II
P204D

Reductant Pressure Sensor Circuit High

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Generic OBD-II
P204E

Reductant Pressure Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P204F

Reductant System Performance Bank 1

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Generic OBD-II
P2050

Reductant Injection Valve Circuit/Open Bank 2 Unit 1

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Generic OBD-II
P2051

Reductant Injection Valve Circuit Low Bank 2 Unit 1

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Generic OBD-II
P2052

Reductant Injection Valve Circuit High Bank 2 Unit 1

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Generic OBD-II
P2053

Reductant Injection Valve Circuit/Open Bank 1 Unit 2

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Generic OBD-II
P2054

Reductant Injection Valve Circuit Low Bank 1 Unit 2

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Generic OBD-II
P2055

Reductant Injection Valve Circuit High Bank 1 Unit 2

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Generic OBD-II
P2056

Reductant Injection Valve Circuit/Open Bank 2 Unit 2

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Generic OBD-II
P2057

Reductant Injection Valve Circuit Low Bank 2 Unit 2

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Generic OBD-II
P2058

Reductant Injection Valve Circuit High Bank 2 Unit 2

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Generic OBD-II
P2059

Reductant Injection Air Pump Control Circuit/Open

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Generic OBD-II
P205A

Reductant Tank Temperature Sensor A Circuit

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Generic OBD-II
P205B

Reductant Tank Temperature Sensor A Circuit Range/Performance

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Generic OBD-II
P205C

Reductant Tank Temperature Sensor A Circuit Low

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Generic OBD-II
P205D

Reductant Tank Temperature Sensor A Circuit High

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Generic OBD-II
P205E

Reductant Tank Temperature Sensor A Circuit Intermittent/Erratic

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Generic OBD-II
P205F

Reductant System Performance Bank 2

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Generic OBD-II
P2060

Reductant Injection Air Pump Control Circuit Low

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Generic OBD-II
P2061

Reductant Injection Air Pump Control Circuit High

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Generic OBD-II
P2062

Reductant/Regeneration Supply Control Circuit/Open

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Generic OBD-II
P2063

Reductant/Regeneration Supply Control Circuit Low

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Generic OBD-II
P2064

Reductant/Regeneration Supply Control Circuit High

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Generic OBD-II
P2065

Fuel Level Sensor B Circuit

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Generic OBD-II
P2066

Fuel Level Sensor B Performance

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Generic OBD-II
P2067

Fuel Level Sensor B Circuit Low

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Generic OBD-II
P2068

Fuel Level Sensor B Circuit High

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Generic OBD-II
P2069

Fuel Level Sensor B Circuit Intermittent

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Generic OBD-II
P206A

Reductant Quality Sensor Circuit

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Generic OBD-II
P206B

Reductant Quality Sensor Circuit Range/Performance

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Generic OBD-II
P206C

Reductant Quality Sensor Circuit Low

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Generic OBD-II
P206D

Reductant Quality Sensor Circuit High

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Generic OBD-II
P206E

Intake Manifold Tuning (IMT) Valve Stuck Open Bank 2

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Generic OBD-II
P206F

Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 2

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Generic OBD-II
P2070

Intake Manifold Tuning (IMT) Valve Stuck Open Bank 1

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Generic OBD-II
P2071

Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 1

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Generic OBD-II
P2072

Throttle Actuator Control System - Ice Blockage Bank 1

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Generic OBD-II
P2073

Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Idle

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Generic OBD-II
P2074

Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Higher Load

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Generic OBD-II
P2075

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Bank 1

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Generic OBD-II
P2076

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 1

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Generic OBD-II
P2077

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low Bank 1

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Generic OBD-II
P2078

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High Bank 1

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Generic OBD-II
P2079

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 1

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Generic OBD-II
P207A

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Bank 2

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Generic OBD-II
P207B

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 2

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Generic OBD-II
P207C

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low Bank 2

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Generic OBD-II
P207D

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High Bank 2

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Generic OBD-II
P207E

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 2

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Generic OBD-II
P207F

Reductant Quality Performance

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Generic OBD-II
P2080

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1

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Generic OBD-II
P2081

Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 1

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Generic OBD-II
P2082

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 1

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Generic OBD-II
P2083

Exhaust Gas Temperature Sensor Circuit Intermittent Bank 2 Sensor 1

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Generic OBD-II
P2084

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2

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Generic OBD-II
P2085

Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 2

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Generic OBD-II
P2086

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2

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Generic OBD-II
P2087

Exhaust Gas Temperature Sensor Circuit Intermittent Bank 2 Sensor 2

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Generic OBD-II
P2088

A Camshaft Position Actuator Control Circuit Low Bank 1

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Generic OBD-II
P2089

A Camshaft Position Actuator Control Circuit High Bank 1

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Generic OBD-II
P208A

Reductant Pump A Control Circuit/Open

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Generic OBD-II
P208B

Reductant Pump A Control Performance/Stuck Off

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Generic OBD-II
P208C

Reductant Pump A Control Circuit Low

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Generic OBD-II
P208D

Reductant Pump A Control Circuit High

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Generic OBD-II
P208E

Reductant Injection Valve Stuck Closed Bank 1 Unit 1

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Generic OBD-II
P208F

Reductant Injection Valve Stuck Closed Bank 2 Unit 1

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Generic OBD-II
P2090

B Camshaft Position Actuator Control Circuit Low Bank 1

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Generic OBD-II
P2091

B Camshaft Position Actuator Control Circuit High Bank 1

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Generic OBD-II
P2092

A Camshaft Position Actuator Control Circuit Low Bank 2

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Generic OBD-II
P2093

A Camshaft Position Actuator Control Circuit High Bank 2

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Generic OBD-II
P2094

B Camshaft Position Actuator Control Circuit Low Bank 2

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Generic OBD-II
P2095

B Camshaft Position Actuator Control Circuit High Bank 2

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Generic OBD-II
P2096

Post Catalyst Fuel Trim System Too Lean Bank 1

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Generic OBD-II
P2097

Post Catalyst Fuel Trim System Too Rich Bank 1

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Generic OBD-II
P2098

Post Catalyst Fuel Trim System Too Lean Bank 2

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Generic OBD-II
P2099

Post Catalyst Fuel Trim System Too Rich Bank 2

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Generic OBD-II
P209A

Reductant Injection Air Pressure Sensor B Circuit

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Generic OBD-II
P209B

Reductant Injection Air Pressure Sensor B Circuit Range/Performance

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Generic OBD-II
P209C

Reductant Injection Air Pressure Sensor B Circuit Low

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Generic OBD-II
P209D

Reductant Injection Air Pressure Sensor B Circuit High

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Generic OBD-II
P209E

Reductant Injection Air Pressure Sensor A/B Correlation

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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.