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AutoCodes - Generic - B1266

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

- Code Popularity: 14,654 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Mar 06, 2019
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|Code B1266 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 the Code B1266?

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.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1266?

Labor: 1.0

The cost of diagnosing the B1266 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.

|What are Code B1266 Possible Symptoms?

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

|Code B1266 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 - Instrument Panel System Communication Bus Malfunction Short To Battery - AutoCodes.com
B1266 Code - Instrument Panel System Communication Bus Malfunction Short To Battery

|Need More Information on the B1266 Code?

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

|Information for Specific Makes

  • B1266 Lexus Instrument Panel System Communication Bus Malfunction Short To Battery
  • B1266 Scion Instrument Panel System Communication Bus Malfunction Short To Battery
  • B1266 Toyota Instrument Panel System Communication Bus Malfunction Short To Battery

|Need Help with the B1266 Code?

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

|Code B1266 comments

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