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SAE P2xxx-DTCs

Fuel and air ratio and additional emission regulations

SAE- DTC	DTC text	Corrective action
P2096	Post Catalyst Fuel Trim System Too Lean, Bank 1	Check oxygen sensor and oxygen sensor control before catalytic converter. Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking Check oxygen sensor and oxygen sensor control behind catalytic converter. Refer to Oxygen sensors and oxygen sensor regulation behind catalytic converter, checking Check intake system for leaks (false air). Refer to Intake system, checking for leaks (false air)
P2097	Post Catalyst Fuel Trim System Too Rich, Bank 1
P2098	Post Catalyst Fuel Trim System Too Lean, Bank 2
P2099	Post Catalyst Fuel Trim System Too Rich, Bank 2

Fuel and air ratio

SAE- DTC	DTC text	Corrective action
P2101	Throttle Actuator Control Motor Circuit Range/Performance	Check Throttle Valve Control Module -J338-. Refer to Throttle valve control module, checking
P2106	Throttle Actuator Control System - Forced Limited Power
P2122	Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input	Check Throttle Position (TP) Sensor -G79- and Sender 2 for accelerator pedal position -G185-. Refer to Throttle Position (TP) sensor, checking
P2123	Throttle/Pedal Position Sensor/Switch "D" Circuit High Input
P2127	Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input
P2128	Throttle/Pedal Position Sensor/Switch "E" Circuit High Input
P2138	Throttle/Pedal Position Sensor/Switch "D" / "E" Voltage Correlation

SAE-
DTC

DTC text

Corrective action

P2181

Cooling System Performance

Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to Engine Coolant Temperature (ECT) sensor, checking
Check Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-. Refer to Engine Coolant Temperature (ECT) Sensor (on Radiator), checking

Check Coolant Fan Control (FC)Control Module -J293-. Refer to Coolant FC (Fan Control) Control Module 1, checking
Check Coolant Fan Control (FC) Control Module 2 -J671-. Refer to Coolant FC (Fan Control) Control Module 2, checking

Check Coolant Pump -V36-. Refer to Coolant pump, checking
Check coolant regulator: Refer to 19 - ENGINE - COOLING SYSTEM

SAE- DTC	DTC text	Corrective action
P2195	O2 Sensor Signal Stuck Lean, Bank 1 Sensor 1	Check oxygen sensor heater for oxygen sensors before catalytic converter. Refer to Oxygen sensor heater for oxygen sensors before catalytic converter, checking Check oxygen sensor and oxygen sensor control before catalytic converter. Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking
P2196	O2 Sensor Signal Stuck Rich, Bank 1 Sensor 1
P2197	O2 Sensor Signal Stuck Lean, Bank 2 Sensor 1
P2198	O2 Sensor Signal Stuck Rich, Bank 2 Sensor 1

Fuel and air ratio

SAE- DTC	DTC text	Corrective action
P2231	O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1	Check oxygen sensor heater for oxygen sensors before catalytic converter. Refer to Oxygen sensor heater for oxygen sensors before catalytic converter, checking Check oxygen sensors and oxygen sensor control before catalytic converter. Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking
P2234	O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1
P2237	O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1
P2240	O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1
P2243	O2 Sensor Reference Voltage Circuit/Open, Bank 1 Sensor 1
P2247	O2 Sensor Reference Voltage Circuit/Open, Bank 2 Sensor 1
P2251	O2 Sensor Negative Current Control Circuit/Open, Bank 1 Sensor 1
P2254	O2 Sensor Negative Current Control Circuit/Open, Bank 2 Sensor 1

SAE- DTC	DTC text	Corrective action
P2257	Secondary Air Injection System Control "A" Circuit Low	Check activation of Secondary Air Injection (AIR) Pump Relay -J299- according to wiring diagram: Refer to Electrical Wiring Diagrams and Component Locations
P2258	Secondary Air Injection System Control "A" Circuit High

Additional emission regulations

SAE- DTC	DTC text	Corrective action
P2400	Evaporative Emission System Leak Detection Pump Control Circuit/Open	Check Leak detection pump (LDP) -V144-. Refer to Leak Detection Pump (LDP), checking Check EVAP canister system for proper seal. Refer to Evaporative Emission (EVAP) canister system, checking for proper seal
P2401	Evaporative Emission System Leak Detection Pump Control Circuit Low
P2402	Evaporative Emission System Leak Detection Pump Control Circuit High
P2403	Evaporative Emission System Leak Detection Pump Sense Circuit/Open
P2404	Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
P2414	O2 Sensor Exhaust Sample Error, Bank 1 Sensor 1	Check oxygen sensor and oxygen sensor control before catalytic converter. Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking Check exhaust system between catalytic converters and cylinder heads for proper seal. Refer to Exhaust system components, removing and installing , removing and installing exhaust system components
P2415	O2 Sensor Exhaust Sample Error, Bank 2 Sensor 1

Control module and output signals

SAE- DTC	DTC text	Corrective action
P2600	Coolant Pump Control Circuit/Open	Check Coolant Pump -V36-. Refer to Coolant pump, checking
P2602	Coolant Pump Control Circuit Low
P2603	Coolant Pump Control Circuit High
P2626	O2 Sensor Pumping Current Trim Circuit/Open, Bank 1 Sensor 1	Check oxygen sensors and oxygen sensor control before catalytic converter. Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking
P2629	O2 Sensor Pumping Current Trim Circuit/Open, Bank 2 Sensor 1

SAE- DTC	DTC text	Corrective action
P2632	Fuel Pump "B" Control Circuit /Open	Check activation of Fuel Pump (FP) 2 Relay -J49- according to wiring diagram: Refer to Electrical Wiring Diagrams and Component Locations
P2634	Fuel Pump "B" Control Circuit High
P2637	Torque Management Feedback Signal "A"	Check Mass Air Flow (MAF) Sensor -G70- and Mass Air Flow (MAF) Sensor 2 -G246-. Refer to Mass Air Flow (MAF) sensor, checking

Transmission

SAE- DTC	DTC text	Corrective action
P2714	Pressure Control Solenoid "D" Performance or Stuck Off	Check Pressure Control Valve 4 for Auto. Transmission -N218-. Refer to Pressure regulator valves, checking , checking pressure regulator valves
P2715	Pressure Control Solenoid "D" Stuck On
P2716	Pressure Control Solenoid "D" Electrical
P2717	Pressure Control Solenoid "D" Intermittent
P2723	Pressure Control Solenoid "E" Performance or Stuck Off	Check Pressure regulating valve 5 for automatic transmission -N233-. Refer to Pressure regulator valves, checking , checking pressure regulator valves
P2724	Pressure Control Solenoid "E" Stuck On
P2725	Pressure Control Solenoid "E" Electrical
P2726	Pressure Control Solenoid "E" Intermittent

SAE- DTC	DTC text	Corrective action
P2732	Pressure Control Solenoid "F" Performance or Stuck Off	Check Pressure Regulating Valve 6 (for automatic transmission) -N371-. Refer to Pressure regulator valves, checking , checking pressure regulator valves
P2733	Pressure Control Solenoid "F" Stuck On
P2734	Pressure Control Solenoid "F" Electrical
P2735	Pressure Control Solenoid "F" Intermittent