P2141EGR Throttle Control Circuit A Low
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P2141 flags a low signal in the drive circuit of EGR throttle A, the main diesel regulating flap that lowers intake pressure so exhaust gas can flow back. A wire of the flap motor touching ground, a winding shorted to the housing or a wet connector are the common reasons. Note how J2012 spreads flap A over two ranges: open circuit and range/performance sit at P0487 and P0488, low and high at P2141 and P2142; flap B uses P213A to P213D. P0489 sounds similar but concerns the EGR valve A drive, not the throttle. No manufacturer documents P2141 publicly, so no figures can be quoted; CARB requires circuit faults on output components to be reported. The module usually disables the flap, which then rests open, and EGR is reduced.
- What you may notice
- Check engine lamp on
- Engine shudder when switched off
- Reduced power or limp mode
- Likely causes
- LikelyChafed wire shorting to ground between module and flap
- PossibleMoisture or corrosion in the flap connector
- PossibleActuator motor winding shorted to housing
- RareFaulty output stage in the engine control module
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Often possible to do yourself.Typical cost: €50 – €600
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.