P0602
Control Module Programming Error
2000-2000 Mazda MX-5 Miata 1.8L I4
High SeverityPowertrainGeneric (SAE)
The 2000 Mazda MX-5 Miata is equipped with a 1.8L inline-4 engine. Below you'll find detailed p0602 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The PCM is not properly programmed or calibration is missing.
Symptoms
- Check Engine Light
- Various driveability issues
- Incorrect operation
Common Causes
- PCM not programmed after replacement
- Incomplete flash/reprogramming
- Wrong calibration file
Diagnostic Steps
- Verify PCM part number matches application
- Reprogram PCM with correct calibration
- Check for TSBs
Repair Notes
Reprogram PCM with correct calibration files.
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
P0602 on Other Vehicles
Common Questions
What does code P0602 mean on a 2000-2000 Mazda MX-5 Miata?
P0602 stands for "Control Module Programming Error". The PCM is not properly programmed or calibration is missing.
What are the symptoms of P0602 on a Mazda MX-5 Miata?
Common symptoms of P0602 include: Check Engine Light, Various driveability issues, Incorrect operation.
What causes P0602 on a 2000-2000 Mazda MX-5 Miata?
Common causes of P0602 include: PCM not programmed after replacement, Incomplete flash/reprogramming, Wrong calibration file.
Last updated: March 2026