OBD-II DTC · SAE J2012

P210B

Throttle Actuator B Control Motor Circuit Range/Performance

Throttle → Depends on cause

What P210B means

P210B is a standard SAE J2012 powertrain diagnostic trouble code with the defined meaning: Throttle Actuator B Control Motor Circuit Range/Performance. This is the OEM-agnostic definition; specific manufacturer interpretation may add detail (subsystem, bank, sensor location) but the core meaning is consistent across all OBD-II compliant vehicles since 1996.

Common symptoms when P210B is active

Limp mode, pedal-to-throttle correlation MIL, idle-air control range / performance DTC, throttle body adaptation failures.

Can this code be suppressed via ECU tuning?

Whether this code is safe to suppress depends on the underlying cause. Diagnose first, suppress only after confirming the mechanical issue is benign or rectified.

How to remove P210B with Softechpro V5

Recommended service: DTC OFF (throttle branch) — diagnose first. Step-by-step workflow:

  1. Throttle codes often indicate genuine carbon buildup or pedal sensor drift. Clean the body and reset adaptation before tuning.
  2. If the code persists after cleaning: load .bin into Softechpro V5, pick DTC OFF + throttle DTC group, save patched .bin, flash back.

Softechpro V5 supports 1,400+ ECU firmwares across Bosch (EDC15, EDC16, EDC17, MD1, MG1, ME7, MED17), Siemens / Continental (SID, SIMOS, EMS), Delphi (DCM, DDC), and Magneti Marelli platforms.

Related codes in the P21xx family

P2100P2101P2102P2103P2104P2105P2106P2107P2108P2109P210AP210C