P1627
Engine Control Module Analogue / Digital Converter
P1627 is an OBD-II diagnostic trouble code meaning: Engine Control Module Analogue / Digital Converter. Common causes: malfunction of the analog-to-digital converter in the ecu, problems with ecu power supply. Estimated repair cost: $167–556.
Symptoms
- Unstable engine operation at idle
- Deterioration in acceleration dynamics
- Increased fuel consumption
- Check Engine Light Illuminates
- Possible misfires
Causes
- Malfunction of the analog-to-digital converter in the ECU
- Problems with ECU power supply
- Short circuit in the sensor circuit
- Corrosion of ECU contacts
- Mechanical damage to the ECU
How to Fix
- Check power supply and grounding of the ECU
- Scan all associated sensors for errors
- Check the integrity of the wiring harnesses to the ECU
- Test the ECU on a bench (specialized equipment required)
- If necessary, replace the ECU
Related codes
Error P1627 by Vehicle Brand
FAQ
What does the P1627 code mean?
P1627 is an OBD-II diagnostic trouble code that indicates: Engine Control Module Analogue / Digital Converter
What causes a P1627 error code?
The most common causes of P1627 include: Malfunction of the analog-to-digital converter in the ECU; Problems with ECU power supply; Short circuit in the sensor circuit; Corrosion of ECU contacts.
How do I fix a P1627 diagnostic trouble code?
To fix P1627: Check power supply and grounding of the ECU. Scan all associated sensors for errors. Check the integrity of the wiring harnesses to the ECU. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1627?
Limited driving only, diagnose soon
How much does it cost to fix P1627?
The estimated repair cost for P1627 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat