Loss Of Sensing Diagnostic Mode Data Conditions
Table of contents
P1603 BUICK Possible Causes
- Faulty Sensing Diagnostic Module (SDM)
- Sensing Diagnostic Module harness is open or shorted
- Sensing Diagnostic Module circuit poor electrical connection
How do I fix code P1603 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 P1603 BUICK code
The cost of diagnosing the P1603 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)
P1603 BUICK Description
With the engine running engine speed over 500 rpm for 10 continuous seconds, the Powertrain Control Module (PCM) did not receive any Sensing Diagnostic Module (SDM) data or received invalid data during a 1 second period.