OBD Guide

P2B80

Turbocharger/Supercharger Boost Control Module B Calibration Not Learned/Programmed

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
~$167 (est.)

Symptoms

  • Reduced engine power
  • Irregular operation of the turbine
  • Check Engine Light Illuminates
  • Dips during acceleration
  • Increased fuel consumption

Causes

  • Calibration failed after module replacement
  • ECU software failure
  • Module wiring problems
  • Mechanical damage to the turbine/supercharger
  • Malfunction of the control module itself

How to Fix

  1. Check service history for recent work on the turbine
  2. Scan the system for other fault codes
  3. Perform module calibration procedure using diagnostic equipment
  4. If necessary, reflash the control module
  5. Check the integrity of the wiring and module connectors

Related codes

Error P2B80 by Vehicle Brand