P213CEGR Throttle Control Circuit B 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
- P213C points to a low signal in the drive circuit of EGR throttle B: the output stage sees too little voltage where it expects supply potential, which almost always means a conductor of the flap motor is touching ground. Chafed harness sections near the exhaust, water in the connector or a motor winding shorted to its housing are typical. Depending on the bridge design the module either switches the output off or the motor stays partly energised. No manufacturer documents this code publicly, so no threshold or debounce time can be given; CARB demands separate detection of circuit faults on output components. For throttle A the matching short-circuit code is P2141. An open circuit on B is P213A, a function fault P213B. The flap usually falls back to its rest position and EGR is limited.
- What you may notice
- Check engine lamp on
- Reduced power or limp mode
- Engine shudder when switched off
- Likely causes
- LikelyChafed wire shorting to ground between module and flap
- PossibleWater 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.