ECU Reset/Recovery Occurred
Table of contents
B21A1 RAM Possible Causes
- Module Was Reset
- Module Was Re-Flashed
How do I fix code B21A1 RAM?
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 B21A1 RAM code
The cost of diagnosing the B21A1 RAM 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)
B21A1 RAM Description
Whenever the module detects a power on reset or a re-flash, this code will set. This code is for information only. No repair is necessary.