P1121 LEXUS Possible Causes

• Faulty coolant flow control valve position sensor
• Coolant flow control valve position sensor harness is open or shorted
• Poor electrical connection in coolant flow control valve position sensor circuit

How to Fix P1121 LEXUS Code?

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.

What Does It Mean?

For non-hybrid Lexus vehicles P1121 = throttle pedal position sensor range/performance problem.

Symptoms

Possible symptoms

Check engine light on (or service engine soon warning light)

P1121 LEXUS Meaning

Coolant flow control valve position sensor circuit stuck is the generic description for Lexus P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the P1121 Lexus OBDII code.

P1121 LINCOLN Possible Causes

• Air leak between the mass air flow sensor and the throttle body
• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in the throttle position sensor circuit
• Damaged mass air flow sensor

How to Fix P1121 LINCOLN Code?

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 sensor signal output is not consistent with the engine load measurement

Possible Symptoms

Engine light on (or service engine soon warning light)

P1121 LINCOLN Meaning

The Powertrain Control Module (PCM) monitors a vehicle operation rationality check by comparing the detected throttle position to mass air flow readings. If during engine running self-test, the comparison of TP sensor and MAF sensor readings is not consistent with calibrated load values, the test fails and a diagnostic code is stored in keep alive memory.

P1121 MAZDA Possible Causes

• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in throttle position sensor circuit

How to Fix P1121 MAZDA Code?

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 illuminated (or service engine soon warning light)

P1121 MAZDA Meaning

Throttle position sensor incompatible with mass air flow sensor is the generic description for Mazda P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have additional information about Mazda P1121 OBDII code.

P1121 MERCURY Possible Causes

• Air leak between the mass air flow sensor and the throttle body
• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in the throttle position sensor circuit
• Damaged mass air flow sensor

How to Fix P1121 MERCURY Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The sensor signal output is not consistent with the engine load measurement

Possible Symptoms

Engine light on (or engine service warning light soon)

P1121 MERCURY Meaning

The Powertrain Control Module (PCM) monitors a vehicle operation rationality check by comparing the detected throttle position to mass air flow readings. If during engine running self-test, the comparison of TP sensor and MAF sensor readings is not consistent with calibrated load values, the test fails and a diagnostic code is stored in the continuous memory.

P1121 MINI Possible Causes

• Faulty pedal position sensor
• Pedal position sensor wiring harness is open or short-circuited
• Poor electrical connection in the pedal position sensor circuit

How to Fix P1121 MINI Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding 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 engine service warning light soon)

P1121 MINI Meaning

Throttle Pedal Position Sensor 1 Range/Performance Problem is the generic description for the P1121 Mini code, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have additional information about the P1121 Mini OBDII code.

P1121 NISSAN Possible Causes

• Faulty electronic throttle control actuator
• Electronic throttle control actuator harness is open or shorted
• Poor electrical connection in electronic throttle control actuator circuit

How to Fix P1121 NISSAN Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The electronic throttle control actuator is not functioning properly due to a malfunction of the return spring or the throttle valve is stuck open

Possible Symptoms

Engine light on (or service engine soon warning light)
No response from accelerator pedal

P1121 NISSAN Meaning

The electronic throttle control actuator consists of a throttle control motor, throttle position sensor (TPS), etc. The throttle control motor is operated by the engine control module (ECM) and it opens and closes the throttle valve.

The throttle position sensor detects the throttle valve position and the opening/closing speed of the throttle valve and transmits voltage signals to the ECM. The ECM evaluates the current throttle opening angle from these signals and the ECM controls the throttle control motor to properly adjust the throttle opening angle in response to driving conditions.

P1121 PONTIAC Possible Causes

• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in throttle position sensor circuit
• Throttle position sensor improperly adjusted

How to Fix P1121 PONTIAC Code?

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

When is the Code Detected?

When the Powertrain Control Module (PCM) detects a signal voltage outside the normal operating range of the sensor, P1121 is set.

Symptoms

Possible

Illuminated engine light (or service engine soon warning light)

P1121 PONTIAC Meaning

The Throttle Position (TP) sensor is a potentiometer. The TP sensor provides a voltage signal that changes relative to the throttle blade angle. This signal voltage is one of the most important inputs used by the Powertrain Control Module (PCM). The TP sensor has a 5.0 volt reference, ground, and signal circuit.

TP sensor signal voltage should be approximately 0.6 volt at idle. The TP sensor voltage should increase to over 4.0 volts at wide open throttle (WOT).

P1121 SATURN Possible Causes

• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in throttle position sensor circuit
• Improperly adjusted throttle position sensor

How to Fix P1121 SATURN Code?

Begin 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?

When the Powertrain Control Module (PCM) detects a signal voltage outside the normal operating range of the sensor, P1121 is set.

Possible Symptoms

Illuminated check engine light (or service engine soon warning light)

P1121 SATURN Meaning

The Throttle Position (TP) sensor is a potentiometer. The TP sensor provides a voltage signal that changes relative to throttle blade angle. This signal voltage is one of the most important inputs used by the Powertrain Control Module (PCM). The TP sensor has a 5.0 volt reference, ground, and signal circuit.
TP sensor signal voltage should be approximately 0.6 volt at idle. TP sensor voltage should increase to over 4.0 volts at wide open throttle (WOT).

P1121 SUBARU Possible Causes

• Faulty neutral position switch
• Neutral position switch harness is open or shorted
• Poor electrical connection in neutral position switch circuit

How to Fix P1121 SUBARU Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding 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)

P1121 SUBARU Meaning

Neutral position switch circuit low input [MT Vehicles]
Neutral position switch circuit low input [AT Vehicles]

P1121 SUZUKI Possible Causes

• Faulty throttle position sensor
• Throttle position sensor harness is open or shorted
• Poor electrical connection in throttle position sensor circuit

How to Fix P1121 SUZUKI Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding 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)

P1121 SUZUKI Meaning

Intermittent throttle position sensor high voltage is the generic description for Suzuki P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the Suzuki P1121 OBDII code.