Verified EV diagnostic knowledge page

Jeep P0D27

• Vehicle would not charge and the charge station circuit breaker in the house/recepticle trips when its plugged into the vehicle. NOTE: Additional module flashes are required for

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence. The covered-condition reports state that the vehicle may not charge and that a household/receptacle charging-station circuit breaker may trip when the vehicle is plugged in.
ServiceContact an authorized Jeep service center for diagnosis and to determine whether the vehicle is eligible for the applicable software-update bulletin.
Confidence95%

Quick answer

For certain 2021 US Jeep Wrangler 4xe vehicles with the 2.0L I4 DOHC DI Turbo PHEV engine, P0D27-00 is identified in Jeep service communications as “Battery Charger 1 Input Voltage Too Low.” Reported associated conditions include a MIL, failure to charge, and a household/receptacle charging-station circuit breaker tripping when the vehicle is plugged in. The applicable Jeep bulletins describe a software-update remedy involving multiple module flashes.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does P0D27 mean?

For certain 2021 US Jeep Wrangler 4xe vehicles with the 2.0L I4 DOHC DI Turbo PHEV engine, P0D27-00 is identified in Jeep service communications as “Battery Charger 1 Input Voltage Too Low.” Reported associated conditions include a MIL, failure to charge, and a household/receptacle charging-station circuit breaker tripping when the vehicle is plugged in. The applicable Jeep bulletins describe a software-update remedy involving multiple module flashes.

2. Technical explanation

Verified Jeep/NHTSA manufacturer communications associate P0D27-00 with Battery Charger 1 Input Voltage Too Low. In the covered vehicles, the code may be found during investigation of MIL illumination. The communications also report that the vehicle may not charge and that the charging-station circuit breaker in the house or receptacle may trip when the vehicle is plugged in. The bulletins state that additional module flashes are required for the update to be effective.

3. What system is affected?

Charging system / Battery Charger 1. The diagnostic record does not establish a more specific component-level fault.

4. How serious is this code?

Unknown. Verified evidence documents a no-charge condition and possible household/receptacle circuit-breaker tripping, but does not assign a severity rating.

5. Symptoms you may notice

  • Malfunction Indicator Lamp (MIL) illumination.
  • P0D27-00 stored: Battery Charger 1 Input Voltage Too Low.
  • Vehicle would not charge.
  • The charge-station circuit breaker in the house/receptacle may trip when the vehicle is plugged into the vehicle.

6. Possible causes

  • The verified communications identify a software-update procedure involving multiple modules for covered vehicles. A specific physical root cause is not yet established by verified evidence.

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. The covered-condition reports state that the vehicle may not charge and that a household/receptacle charging-station circuit breaker may trip when the vehicle is plugged in.

9. What you can safely do

  • Do not attempt high-voltage diagnosis or repair.
  • If the charging-station circuit breaker trips when the vehicle is plugged in, arrange inspection by an authorized Jeep service center.
  • Provide the stored code P0D27-00 and the charging symptoms to the service center.

10. Step-by-step troubleshooting

  1. Have an authorized Jeep technician confirm stored DTCs and vehicle eligibility for the applicable Jeep software bulletin.
  2. The manufacturer communications state that additional module flashes are required for the update to be effective.

11. When to contact service

Contact an authorized Jeep service center for diagnosis and to determine whether the vehicle is eligible for the applicable software-update bulletin.

12. What the service center may check

  • Confirm P0D27-00: Battery Charger 1 Input Voltage Too Low.
  • Confirm whether the vehicle has MIL illumination, a no-charge condition, or circuit-breaker tripping when plugged in.
  • Verify vehicle build date, PHEV engine equipment, and bulletin applicability.
  • Perform the required module software updates specified by the applicable Jeep bulletin.

13. Possible repair or resolution

  • For covered vehicles, the verified manufacturer communications specify software updates, including additional module flashes required for the update to be effective.
  • Whether software updates resolve an individual vehicle’s condition is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Jeep bulletin 08-055-22 / NHTSA manufacturer communication MC-10214606, published May 13, 2022. Applies to certain vehicles built on or before December 14, 2021, equipped with the 2.0L I4 DOHC DI Turbo PHEV engine (ECX). https://static.nhtsa.gov/odi/tsbs/2022/MC-10214606-9999.pdf
  • Jeep bulletin 08-055-22 / NHTSA manufacturer communication MC-10221509, published June 29, 2022. https://static.nhtsa.gov/odi/tsbs/2022/MC-10221509-9999.pdf
  • Jeep bulletin 08-145-21 / NHTSA manufacturer communication MC-10218590, published August 26, 2021. Applies to certain vehicles built on or before August 19, 2021, equipped with the 2.0L I4 DOHC DI Turbo PHEV engine (ECX). https://static.nhtsa.gov/odi/tsbs/2021/MC-10218590-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified source: NHTSA-hosted Jeep manufacturer communications for P0D27-00. The diagnostic applicability record identifies 2021 Jeep Wrangler vehicles in the United States. The cited bulletins further limit coverage by build date and 2.0L I4 DOHC DI Turbo PHEV engine (sales code ECX).

19. Frequently asked questions

What does P0D27-00 mean on the covered Jeep Wrangler 4xe?

The verified Jeep communications label it “Battery Charger 1 Input Voltage Too Low.”

Can P0D27-00 prevent charging?

Yes. The covered-condition reports state that the vehicle may not charge.

Can this condition trip a household charging breaker?

The Jeep communications state that the charge-station circuit breaker in the house/receptacle may trip when the vehicle is plugged in.

What is the documented service remedy?

The applicable Jeep communications describe module software updates and state that additional module flashes are required for the update to be effective.

Does this apply to every Jeep Wrangler?

No. Verified applicability is limited to 2021 US Jeep Wrangler vehicles in the diagnostic record, while the cited bulletins also specify build-date and PHEV-engine requirements.

20. Sources & verification

ReferenceVerified
Jeep P0D27: • Vehicle would not charge and the charge station circuit… | EV Diagnostics