DTC B1952 Lincoln

Turbocharger Supercharger Bypass Valve B Control Circuit Low

Turbocharger Supercharger Bypass Valve B Control Circuit Low

Description

The powertrain control module (PCM) continuously monitors the TCBY2 circuit for concerns. This DTC sets when the PCM detects a short to ground in the circuit.

Cause and Solution

Damaged turbocharger bypass 2 (TCBY2) valveTCBY2 circuit short to groundDamaged harness connectorDamaged harness
Diagnosis:
Check the harness for intermittent concerns, incorrect connections, routing, alterations and damage due to contact with other components. This DTC only sets when the valve is commanded closed.

Video Guide

Duration: PT4M18S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B1952
  • Brand: Lincoln
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