Window Control Circuit Low
Table of contents
B18BB RAM Possible Causes
- Faulty Master Window Switch
- Master Window Switch harness is open or shorted
- Master Window Switch circuit poor electrical connection
- Faulty Totally Integrated Power Module (TIPM)
How do I fix code B18BB 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 B18BB RAM code
The cost of diagnosing the B18BB 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)
B18BB RAM Description
The Totally Integrated Power Module (TIPM) monitors the Master Window Switch. The TIPM sets the OBDII code when it senses a draw of between 65 and 100 amps for 80 ms.