B1266 LEXUS - Instrument Panel System Communication Bus Malfunction Short To Battery
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: 1.0The 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 MeaningThis 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.
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