AutoCodes - OBDII Code List - B1266 TOYOTA

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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B1266 TOYOTA 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

How do I fix code B1266 TOYOTA?

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 connector's pins.
Connect Your Car To The Future

Cost of diagnosing the B1266 TOYOTA code

Labor: 1.0

The cost of diagnosing the B1266 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1266 TOYOTA Description

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 Toyota - Instrument Panel System Communication Bus Malfunction Short To Battery - AutoCodes.com

More Information

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

Need more help?

Get the B1266 Toyota code diagnosed by a professional: Find a repair shop in your area

Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the B1266 Toyota code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧