Communication Malfunction No. 2 Immobilizer System
Table of contents
How do I fix code B2798 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 B2798 TOYOTA code
The cost of diagnosing the B2798 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
Communication error
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2798 TOYOTA Description
This code is stored in the memory when a key that does not have a transponder chip is inserted or if communication between the key and transponder key ECU assy is impossible.