Antenna Coil Open/Short
Table of contents
B2784 TOYOTA Possible Causes
- Faulty Transponder key amplifier
- Transponder key amplifier wire harness
- Faulty tTransponder key ECU assy
How do I fix code B2784 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.
Cost of diagnosing the B2784 TOYOTA code
The cost of diagnosing the B2784 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.
When is the code detected
Antenna coil is open/short
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2784 TOYOTA Description
The transponder key coil is built into the transponder key amplifier and receives a key code signal from the transponder chip in the key. This signal is amplified by the amplifier, then it is output to the transponder key ECU assembly.