Powertrain Codes

P2099

Technical Definition:

Post Catalyst Fuel Trim System Too Rich (Bank 2)

Trouble Code: P2099
Address: 0x2099
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:

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Possible Symptoms:

Post Catalyst Fuel Trim System Too Rich Bank 2

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P2096

Technical Definition:

Post Catalyst Fuel Trim System Too Lean (Bank 1)

Trouble Code: P2096
Address: 0x2096
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:

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Possible Symptoms:

Post Catalyst Fuel Trim System Too Lean Bank 1

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P2097

Technical Definition:

Post Catalyst Fuel Trim System Too Rich (Bank 1)

Trouble Code: P2097
Address: 0x2097
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:

Possible Causes:

Possible Symptoms:

Post Catalyst Fuel Trim System Too Rich Bank 1

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OBD-II Trouble Code Type:

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Tech Notes:

– Exhaust leak near O2 sensor
– Faulty O2 sensor
– Fuel contamination

Specific Makes:

P2094

Technical Definition:

B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2c)

Trouble Code: P2094
Address: 0x2094
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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P2095

Technical Definition:

B Camshaft Position (CMP) Actuator Control Circuit High (Bank 2c)

Trouble Code: P2095
Address: 0x2095
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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P2093

Technical Definition:

A Camshaft Position (CMP) Actuator Control Circuit High (Bank 2b)

Trouble Code: P2093
Address: 0x2093
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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P2090

Technical Definition:

B Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1c)

Trouble Code: P2090
Address: 0x2090
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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P2091

Technical Definition:

B Camshaft Position (CMP) Actuator Control Circuit High (Bank 1c)

Trouble Code: P2091
Address: 0x2091
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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P2092

Technical Definition:

A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 2b)

Trouble Code: P2092
Address: 0x2092
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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P2089

Technical Definition:

A Camshaft Position (CMP) Actuator Control Circuit High (Bank 1b)

Trouble Code: P2089
Address: 0x2089
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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P2087

Technical Definition:

Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 – Sensor 2)

Trouble Code: P2087
Address: 0x2087
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Gas Temperature Sensor Circuit Intermittent Bank 2 Sensor 2

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P2088

Technical Definition:

A Camshaft Position (CMP) Actuator Control Circuit Low (Bank 1b)

Trouble Code: P2088
Address: 0x2088
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
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