B1057 HONDA - Relay Control Module Lost Communication With MICU

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B1057 HONDA Possible Causes

  • Faulty Multiplex Control Unit Module (MICU)
  • Multiplex Control Unit Module (MICU) harness is open or shorted
  • Multiplex Control Unit Module (MICU) circuit poor electrical connection
  • Faulty Relay Control Module

First diagnose B1057 HONDA code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the B1057 HONDA code

    Labor: 1.0

    The cost of diagnosing the B1057 HONDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B1057 HONDA Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1057 HONDA Meaning

The Relay Control Module monitors the Multiplex Control Unit Module (MICU). The Relay Control Module sets the OBDII code when the Multiplex Control Unit Module (MICU) is not to factory specifications.
OBDII Code B1057 HONDA - Relay Control Module Lost Communication With MICU - Engine-Codes.com

B1057 HONDA More Information

Need more information on how to fix the B1057 HONDA code?
Get Access to Factory Service Manuals

Related Information