B1266 LEXUS - Instrument Panel System Communication Bus Malfunction Short To Battery

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

B1266 LEXUS Possible Causes

  • Faulty Engine Control Module (ECM)
  • Faulty Multi Display ECU
  • Faulty A/C ECU
  • Faulty Combination Meter ECU
  • The harness is open or shorted between ECU
  • ECU circuit poor electrical connection

First diagnose B1266 LEXUS 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 B1266 LEXUS code

    Labor: 1.0

    The cost of diagnosing the B1266 LEXUS 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.

B1266 LEXUS Possible Symptoms

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

B1266 LEXUS Meaning

This Diagnostic Trouble Code (DTC) is output when +B (Battery) or GND (Ground) short occurs on instrument panel system communication bus (Engine Control Module, Multi Display, A/C ECU and Combination Meter ECU). If +B or GND short is detected on instrument panel system communication bus, separate it by bus cut relay in body ECU to prevent while communication buses failure.
OBDII Code B1266 LEXUS - Instrument Panel System Communication Bus Malfunction Short To Battery - Engine-Codes.com

B1266 LEXUS More Information

Need more information on how to fix the B1266 LEXUS code?
Get Access to Factory Service Manuals

Related Information