A/C Relay Control Circuit Conditions
Table of contents
P1654 BUICK Possible Causes
- Faulty A/C Relay
- A/C Relay harness is open or shorted
- A/C Relay circuit poor electrical connection
How do I fix code P1654 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 P1654 BUICK code
The cost of diagnosing the P1654 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)
P1654 BUICK Description
With the engine running, the Powertrain Control Module (PCM) detects an improper voltage level on ODM ‘B’ output 4 fault line circuit, all conditions met for 5-30 seconds (length of time to set vanes by engine family).