Powertrain DTCs Available in Another Module
Table of contents
P1640 MERCURY Possible Causes
- Diagnostic Trouble Code (DTC) stored in a secondary module, which requested the MIL to be turned on.
How do I fix code P1640 MERCURY?
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 P1640 MERCURY code
The cost of diagnosing the P1640 MERCURY 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)
P1640 MERCURY Description
Vehicles using a secondary Engine Control Module can request that the Powertrain Control Module (PCM) illuminate the Malfunction Indicator Lamp (MIL) when a failure occurs which affects emissions.