Hyundai P0630
All 2005 or later model year Hyundai vehicles SUBJECT : Do not exchange an ECM/PCM from another vehicle as a permanent repair. If the module has to be replaced, a new service repla
Quick answer
For the listed Hyundai applications, P0630 is associated with the ECM/PCM VIN being not programmed or not matching. Hyundai states that a replacement module must be a new service replacement control module and its VIN must be programmed after installation.
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1. What does P0630 mean?
For the listed Hyundai applications, P0630 is associated with the ECM/PCM VIN being not programmed or not matching. Hyundai states that a replacement module must be a new service replacement control module and its VIN must be programmed after installation.
2. Technical explanation
NHTSA-posted Hyundai communication 19-FL-003H states that Hyundai vehicles are shipped with the VIN pre-programmed into the ECM/PCM. When an ECM/PCM is replaced, the VIN must be programmed into the new module. The communication states that failure to perform this function results in a check-engine light and DTC P0630, described there as “VIN not programmed or mismatch.” Hyundai also states not to exchange an ECM/PCM from another vehicle as a permanent repair.
3. What system is affected?
Engine Control Module/Powertrain Control Module (ECM/PCM) vehicle-identification-number programming.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Check-engine light with DTC P0630 when the ECM/PCM VIN-programming function was not performed after installation of a new ECM/PCM.
6. Possible causes
- A replacement ECM/PCM was installed and the VIN was not programmed into the new module.
- A VIN mismatch or VIN not programmed condition in the ECM/PCM.
- Use of an ECM/PCM from another vehicle as a permanent repair is contrary to Hyundai communication 19-FL-003H.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange qualified service to confirm ECM/PCM VIN programming and module installation history.
- Do not use an ECM/PCM from another vehicle as a permanent repair, consistent with Hyundai communication 19-FL-003H.
10. Step-by-step troubleshooting
- Confirm whether the ECM/PCM has been replaced.
- Check whether the VIN-programming function was performed following installation of a new ECM/PCM.
- Confirm whether the installed module is a new service replacement control module rather than a module exchanged from another vehicle.
11. When to contact service
Service is appropriate to verify ECM/PCM replacement and VIN programming. Hyundai’s communication specifies VIN programming after installation of a new ECM/PCM.
12. What the service center may check
- Check for DTC P0630 and check-engine-light status.
- Verify the VIN programmed in the ECM/PCM.
- Verify whether the ECM/PCM was replaced.
- Verify that a new service replacement control module was used if replacement was required.
- Perform the VIN-programming function on a new ECM/PCM following installation, as specified by Hyundai.
13. Possible repair or resolution
- If ECM/PCM replacement is required, use a new service replacement control module.
- Program the VIN into the new ECM/PCM after installation.
- Do not retain an ECM/PCM exchanged from another vehicle as the permanent repair.
14. Affected vehicles
- Hyundai Kona · 2016–2019 · US
- Hyundai Sonata · 2016–2019 · US
15. Related TSBs / service bulletins
- Hyundai communication 19-FL-003H, published through NHTSA as manufacturer communication MC-10160098-9999 on April 15, 2019. It applies to all 2005 or later Hyundai model-year vehicles and addresses ECM/PCM VIN programming and P0630.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication PDF 10160098, Hyundai 19-FL-003H: https://static.nhtsa.gov/odi/tsbs/2019/MC-10160098-9999.pdf
19. Frequently asked questions
What does P0630 mean in this Hyundai communication?
Hyundai communication 19-FL-003H describes P0630 as “VIN not programmed or mismatch.”
Can a used ECM/PCM from another vehicle be used as the permanent fix?
No. Hyundai states not to exchange an ECM/PCM from another vehicle as a permanent repair. If replacement is needed, it states that a new service replacement control module must be used.
What must be done after installing a new ECM/PCM?
Hyundai states that the VIN-programming function must be performed following installation. Failure to do so results in a check-engine light with DTC P0630.
Which listed vehicles are covered by the supplied applicability data?
The supplied data lists US-market Hyundai Kona and Sonata model years 2016 through 2019. The cited Hyundai communication itself states applicability to all 2005 or later Hyundai model-year vehicles.