AT/MT Codification Signal Not Plausible
2015-2021 Kia Sedona 3.3L V6
Description
The PCM has received a transmission codification signal that does not match the expected transmission type. The signal indicating whether an automatic or manual transmission is installed is incorrect or missing.
Symptoms
- Check Engine Light
- Transmission may enter limp mode
- Incorrect shift patterns
- Engine performance may be limited
Common Causes
- Incorrect PCM software for transmission type
- Wiring issue in transmission codification circuit
- Aftermarket transmission swap without PCM recoding
- PCM connector issue
- TCM programming mismatch
Diagnostic Steps
- Verify PCM software matches installed transmission type
- Check transmission codification wiring
- Inspect PCM and TCM connectors
- Verify correct PCM part number for vehicle configuration
- Reprogram PCM if needed
Repair Notes
Reprogram the PCM with the correct transmission configuration software.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1586 on Other Vehicles
Common Questions
What does code P1586 mean on a 2015-2021 Kia Sedona?
P1586 stands for "AT/MT Codification Signal Not Plausible". The PCM has received a transmission codification signal that does not match the expected transmission type. The signal indicating whether an automatic or manual transmission is installed is incorrect or missing.
What are the symptoms of P1586 on a Kia Sedona?
Common symptoms of P1586 include: Check Engine Light, Transmission may enter limp mode, Incorrect shift patterns, Engine performance may be limited.
What causes P1586 on a 2015-2021 Kia Sedona?
Common causes of P1586 include: Incorrect PCM software for transmission type, Wiring issue in transmission codification circuit, Aftermarket transmission swap without PCM recoding, PCM connector issue, TCM programming mismatch.