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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (On-Board Diagnostic - Connectivity Master Unit) >> DTC B108E-06: HDCP Authorization Error >> Notes

DTC B108E-06: HDCP Authorization Error: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
Description HDCP authorization error
Detection condition 
  • The connectivity master unit (CMU) detected an HDCP authorization error for 5 s or more  with the ignition switched ON (engine off or on).
Fail-safe  Not applicable
Possible cause 
  • Incorrect display is equipped
  • Center display connector or terminal malfunction
  • Connectivity master unit (CMU) connector or terminal malfunction
  • Short to ground in wiring harness between the following terminals:
    • Connectivity master unit (CMU) terminal 3B and center display terminal 2B
    • Connectivity master unit (CMU) terminal 3D and center display terminal 2D
  • Short to power supply in wiring harness between the following terminals:
    • Connectivity master unit (CMU) terminal 3B and center display terminal 2B
    • Connectivity master unit (CMU) terminal 3D and center display terminal 2D
  • Open circuit in wiring harness between the following terminals:
    • Connectivity master unit (CMU) terminal 3B and center display terminal 2B
    • Connectivity master unit (CMU) terminal 3D and center display terminal 2D
  • Center display malfunction
  • Connectivity master unit (CMU) malfunction
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