P1273 GMC Possible Causes

• Faulty accelerator pedal position (APP) sensor
• Accelerator pedal position harness is open or shorted
• Poor electrical connection in accelerator pedal position circuit

How is GMC Code P1273 Repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The Engine Control Module (ECM) compared the signal from the two accelerator pedal position (APP) sensors and detected a voltage difference.

Possible Symptoms

• Engine light on (or service engine soon warning light)

P1273 GMC Meaning

The accelerator pedal position (APP) sensors are located in the throttle actuator control (TAC) module assembly. The TAC module assembly is mounted on the accelerator pedal bracket. There are 3 individual APP sensors in the TAC module. Three separate signal circuits, low reference circuits, and 5-volt reference circuits are used to determine the accelerator pedal position. The APP sensor signal voltages increase when the accelerator pedal is pressed.

P1273 HONDA Possible Causes

• Faulty accelerator pedal position (APP) sensor
• Accelerator pedal position harness is open or shorted
• Poor electrical connection in the accelerator pedal position circuit

How is the P1273 HONDA code repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the code detected?

The Engine Control Module (ECM) compared the signal from the two accelerator pedal position (APP) sensors and detected a voltage difference.

Possible Symptoms

• Engine light on (or service engine soon warning light)

P1273 HONDA Meaning

The accelerator pedal position (APP) sensors are located in the throttle actuator control (TAC) module assembly. The TAC module assembly is mounted on the accelerator pedal bracket. There are 3 individual APP sensors in the TAC module. Three separate signal circuits, low reference circuits, and 5-volt reference circuits are used to determine the accelerator pedal position. The APP sensor signal voltages increase when the accelerator pedal is depressed.

P1273 INFINITI Possible Causes

• Faulty Air/Fuel Ratio (A/F) Sensor 1 Bank 1
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 Circuit Open or Shorted
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 Circuit Poor Electrical Connection
• Fuel Pressure
• Faulty Fuel Injector
• Faulty Mass Air Flow Meter

How is P1273 INFINITI Code Repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The output voltage calculated by the ECM from the A/F Sensor 1 (Bank 1) signal is shifted to the lean side for a specified period.

Possible Symptoms

• Engine Light On (or Service Engine Soon Warning Light)
• Possible Rough Engine Idle

P1273 INFINITI Meaning

The Air/Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor combines a Nernst concentration cell (sensor cell) with an oxygen pump cell, which transports ions. It has a heating element within the element.
The sensor is capable of accurately measuring λ=1, but also in the lean and rich ranges. With its control electronics, the sensor emits a clear and continuous signal over a wide λ range (0.7 < λ < air).
The exhaust gas components diffuse through the diffusion gap at the oxygen pump electrode and the Nernst concentration cell, where they are brought to thermodynamic equilibrium.
An electronic circuit controls the pump current through the oxygen pump cell so that the exhaust gas composition in the diffusion gap remains constant at λ=1. Therefore, the A/F sensor is able to indicate the air/fuel ratio through this pumping current. Additionally, a heating element is integrated into the sensor to ensure the required operating temperature of 700 to 800°C (1,292 to 1,472°F).

P1273 ISUZU Possible Causes

• Faulty accelerator pedal position (APP) sensor
• Accelerator pedal position harness is open or shorted
• Poor electrical connection in the accelerator pedal position circuit

How is the P1273 ISUZU code repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the code detected?

The Engine Control Module (ECM) compared the signal from the two accelerator pedal position (APP) sensors and detected a voltage difference.

Possible Symptoms

• Engine light on (or service engine soon warning light)

P1273 ISUZU Meaning

The accelerator pedal position (APP) sensors are located in the throttle actuator control (TAC) module assembly. The TAC module assembly is mounted on the accelerator pedal bracket. There are 3 individual APP sensors in the TAC module. Three separate signal circuits, low reference circuits, and 5-volt reference circuits are used to determine the accelerator pedal position. The APP sensor signal voltages increase when the accelerator pedal is pressed.

P1273 JEEP Possible Causes

• Faulty air conditioning compressor clutch
• Air conditioning compressor clutch circuit open or shorted
• Poor electrical connection in the air conditioning compressor clutch circuit

How is P1273 JEEP Code Repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

• Check Engine Light On (or Service Engine Soon Warning Light)

P1273 JEEP Meaning

Air Conditioning Clutch Control Circuit 2 Low (TIPM). The Engine Control Module (ECM) has detected an open or short in the AC clutch relay control circuit.

P1273 MAZDA Possible Causes

• Faulty fuel injector
• Faulty fuel injector interface module
• Fuel injector harness is open or shorted
• Poor electrical connection in the fuel injector circuit

How is the P1273 MAZDA code repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

• Engine light on (or service engine soon warning light)

P1273 MAZDA Meaning

A fault is detected by the fuel injector interface module in the secondary (rear) fuel injector circuit

P1273 NISSAN Possible Causes

• Faulty Air/Fuel Ratio (A/F) Sensor 1 Bank 1
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 circuit open or shorted
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
• Fuel pressure
• Faulty fuel injector
• Faulty mass air flow sensor

How is the P1273 NISSAN code repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the code detected?

The A/F signal calculated by the ECM from the A/F Sensor 1 signal is shifted to the lean side for a specified period.

Possible Symptoms

• Engine light on (or service engine soon warning light)
• Possible rough engine idle

P1273 NISSAN Meaning

The Air/Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor is the combination of a Nernst concentration cell (sensor cell) with an oxygen pump cell, which transports ions. It has a heating element in the element.
The sensor is capable of accurately measuring λ=1, but also in the lean and rich ranges. With its control electronics, the sensor outputs a clear, continuous signal over a wide λ range (0.7 < λ < air).
The exhaust gas components diffuse through the diffusion gap at the oxygen pump electrode and the Nernst concentration cell, where they are brought to thermodynamic equilibrium.
An electronic circuit controls the pump current through the oxygen pump cell so that the exhaust gas composition in the diffusion gap remains constant at =1. Therefore, the A/F sensor is capable of indicating the air/fuel ratio by this pumping current. Additionally, a heating element is built into the sensor to ensure the required operating temperature of 700 to 800°C (1,292 to 1,472°F).

P1274 Possible Causes

• Faulty Air/Fuel Ratio (A/F) Sensor 1 Bank 1
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 Circuit Open or Shorted
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 Circuit Poor Electrical Connection
• Fuel Pressure
• Faulty Fuel Injector
• Faulty Mass Air Flow Meter

How is Code P1274 Repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

• Engine Light On (or Service Engine Soon Warning Light)

P1274 Meaning

The Air/Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor combines a Nernst concentration cell (sensor cell) with an oxygen pump cell, which transports ions. It contains a heating element within the sensor element.
The sensor can accurately measure at λ=1, as well as in both lean and rich ranges. With its control electronics, the sensor provides a clear, continuous signal across a wide λ range (0.7 < λ < air).
Exhaust gas components diffuse through the diffusion gap at the oxygen pump electrode and the Nernst concentration cell, where they are brought to thermodynamic equilibrium.
An electronic circuit controls the pump current through the oxygen pump cell so that the exhaust gas composition in the diffusion gap remains constant at λ=1. Therefore, the A/F sensor can indicate the air/fuel ratio via this pump current. Additionally, a heating element is integrated into the sensor to maintain the required operating temperature of 700 to 800°C (1,292 to 1,472°F).

P1274 NISSAN SENTRA Possible Causes

• Faulty Air/Fuel Ratio (A/F) Sensor 1 Bank 1
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
• Air/Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
• Fuel pressure
• Faulty fuel injector
• Faulty mass air flow meter

How is the P1274 NISSAN SENTRA code repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the code detected?

The A/F signal calculated by the ECM from the A/F sensor 1 signal is shifted to the rich side for a specified period.

Possible Symptoms

• Engine light on (or service engine soon warning light)
• Possible rough engine idle

P1274 NISSAN SENTRA Meaning

The Air/Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor is the combination of a Nernst concentration cell (sensor cell) with an oxygen pump cell, which transports ions. It has a heating element in the element.
The sensor is capable of accurately measuring λ=1, but also in the lean and rich ranges. With its control electronics, the sensor outputs a clear, continuous signal over a wide λ range (0.7 < λ < air).
The exhaust gas components diffuse through the diffusion gap at the oxygen pump electrode and the Nernst concentration cell, where they are brought to thermodynamic equilibrium.
An electronic circuit controls the pump current through the oxygen pump cell so that the composition of the exhaust gases in the diffusion gap remains constant at =1. Therefore, the A/F sensor is able to indicate the air/fuel ratio by this pumping current. Additionally, a heating element is built into the sensor to ensure the required operating temperature of 700 to 800°C (1,292 to 1,472°F).

P1274 CHRYSLER Possible Causes

• Faulty air conditioning compressor clutch
• Air conditioning compressor clutch circuit open or shorted
• Poor electrical connection in the air conditioning compressor clutch circuit

How is P1274 CHRYSLER Code Repair Performed?

Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

• Check Engine Light On (or Service Engine Soon Warning Light)

P1274 CHRYSLER Meaning

A/C Clutch Control Circuit 2 Open is the generic description for Chrysler code P1274, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we do not have more information about the Chrysler P1274 OBDII code.