Serial Communication Malfunction
Table of contents
P1601 BUICK Possible Causes
- Serial Communication lost between Engine Control Module (ECM) and other control units
How do I fix code P1601 BUICK?
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 P1601 BUICK code
The cost of diagnosing the P1601 BUICK 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)
P1601 BUICK Description
CAN data bus, Engine Control Module (ECM)/Antilock Brake System (ABS)/Traction Control System (TCS)/Instrumentation Control Module/Diagnostic Control Module – some communication lost