P213B code meaning
EGR Throttle Control Circuit B Range/Performance
Powertrain system Generic code P21xx codes Check engine light
What P213B means
P213B is the functional check of EGR throttle B rather than an electrical one. The module compares the position it commands with the position the flap actually reaches, or judges whether the feedback is plausible; if the gap persists beyond a set time, P213B is logged. Regulating flaps sit in a stream of recirculated exhaust and crankcase vapour, so soot and oil deposits that make the blade stiff are the usual reason, followed by worn gears or a weak motor. No manufacturer documents P213B publicly; CARB requires output components to be checked for proper function, and EGR control to be monitored for reaching its limits. The same check for flap A is P0488; pure wiring faults on B appear as P213A, P213C or P213D. The driver notices hesitation, smoke or a power limit.
P213B at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium, DIY possible
- Typical labor0.5 to 3 hours
- Clears after repairAfter a drive cycle
Symptoms of P213B
- Check engine lamp on
- Hesitation, black smoke or reduced power
- Clicking or humming from the flap
- Filter regeneration may be postponed
Common causes of P213B
- Most likelyFlap stiff or stuck from soot and oil deposits
- PossibleWorn gear train or weak actuator motor
- PossibleImplausible position feedback from the flap sensor
- Less likelyOutdated engine software or missing flap adaptation
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
EGR throttle b
What each part of P213B means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 1 | Area: fuel and air metering. |
| 3B | The exact fault in that area. |
What to do next
- Note P213B and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P213B
What does P213B mean?
P213B means "EGR Throttle Control Circuit B Range/Performance". P213B is the functional check of EGR throttle B rather than an electrical one. It is a generic code, so it means the same on every make.
Is it safe to drive with P213B?
Drive gently and only to a workshop. With P213B the car can go into limp mode (reduced power) to protect itself.
Will P213B fail an emissions test?
Yes, it can. P213B is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P213B to fix?
Difficulty: medium. A typical repair takes 0.5 to 3 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P213B clear itself after the repair?
After the repair the car has to complete a drive cycle (a mix of city and highway driving) before the test runs again. Until then the readiness monitor shows "not ready", which can fail an inspection.