Loss Of IPC Serial Data Conditions
Table of contents
P1604 BUICK Possible Causes
- Faulty Instrument Panel Cluster (IPC)
- Instrument Panel Cluster harness is open or shorted
- Instrument Panel Cluster circuit poor electrical connection
How do I fix code P1604 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 P1604 BUICK code
The cost of diagnosing the P1604 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)
P1604 BUICK Description
With the engine running engine speed over 500 rpm for 10 continuous seconds, the Powertrain Control Module (PCM) detects an invalid serial data signal or no serial data from the Instrument Panel Cluster (IPC) to PCM for 11 seconds.