What are the common causes of P2141?

A short to ground in the EGR throttle control circuit A. An open in the EGR throttle control circuit A. A dirty or faulty EGR throttle valve. A failed EGR throttle position sensor. Corrosion at the EGR throttle control circuit A connector.

Read the EGR throttle control circuit A voltage on a scan tool. Test the circuit A wiring for a short to ground. Clean the EGR throttle valve. Check the EGR throttle position sensor for an erratic signal. Replace the EGR throttle valve if the circuit tests good. Clear the code and retest.

P2141

EGR Throttle Control Circuit A Low

System: Fuel and air metering (P code)
Lamp: Check Engine Light
Category: Powertrain - Fuel/Air Metering

What it means

P2141 means EGR Throttle Control Circuit A Low.

Check these first

A short to ground in the EGR throttle control circuit A
An open in the EGR throttle control circuit A
A dirty or faulty EGR throttle valve
A failed EGR throttle position sensor
Corrosion at the EGR throttle control circuit A connector

What to do next

Read the EGR throttle control circuit A voltage on a scan tool
Test the circuit A wiring for a short to ground
Clean the EGR throttle valve
Check the EGR throttle position sensor for an erratic signal
Replace the EGR throttle valve if the circuit tests good
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.