EV Diagnostics
Verified EV diagnostic knowledge page

Chrysler P0A45

Drive Motor B Position Sensor 1 Circuit. ? P0C1A - Drive Motor B Torque Delivered Performance. Customers may also comment on the followin

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService requirement is not established by the supplied evidence. However, because this code concerns a Drive Motor B position-sensor circuit, use a Chrysler-qualified service facility for diagnosis rather than attempting high-voltage or drive-motor circuit repair.
Confidence95%

Quick answer

P0A45 is identified in the verified Chrysler/NHTSA bulletin evidence as “Drive Motor B Position Sensor 1 Circuit.” Verified applicability is 2017–2023 Chrysler Pacifica vehicles in the US. The supplied evidence does not establish driving or charging safety, specific symptoms, causes, or a repair procedure.

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

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

Pacifica Hybrid Transmission Trouble – Symptoms & FixFixbook

Videos are supporting material and never override OEM or regulator evidence.

1. What does P0A45 mean?

P0A45 is identified in the verified Chrysler/NHTSA bulletin evidence as “Drive Motor B Position Sensor 1 Circuit.” Verified applicability is 2017–2023 Chrysler Pacifica vehicles in the US. The supplied evidence does not establish driving or charging safety, specific symptoms, causes, or a repair procedure.

2. Technical explanation

The verified official manufacturer-communication summaries list P0A45 as Drive Motor B Position Sensor 1 Circuit. The available excerpts also list P0A3F, P0A43, and P0C1A in the same bulletin context. The excerpts do not provide diagnostic criteria, component-level failure causes, inspection steps, or corrective actions.

3. What system is affected?

Drive Motor B position-sensor circuit, as identified by the DTC description.

4. How serious is this code?

Unknown. Severity is not established by the supplied verified evidence.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • 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.

9. What you can safely do

  • Arrange diagnosis by a Chrysler-qualified service facility.
  • Do not attempt high-voltage or drive-motor circuit repairs based on this page.

10. Step-by-step troubleshooting

  1. Have a qualified technician retrieve and evaluate stored diagnostic trouble codes.
  2. The supplied verified evidence does not establish further troubleshooting procedures.

11. When to contact service

Service requirement is not established by the supplied evidence. However, because this code concerns a Drive Motor B position-sensor circuit, use a Chrysler-qualified service facility for diagnosis rather than attempting high-voltage or drive-motor circuit repair.

12. What the service center may check

  • Confirm whether P0A45 is stored.
  • Check for the related DTCs identified in the same official bulletin context: P0A3F, P0A43, and P0C1A.
  • Further service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11012824, bulletin 21-001-25, published January 11, 2025. Its verified summary lists P0A45 as Drive Motor B Position Sensor 1 Circuit.
  • NHTSA Manufacturer Communication 10236905, bulletin 2100823, published April 5, 2023. Its verified summary lists P0A45 as Drive Motor B Position Sensor 1 Circuit.
  • NHTSA Manufacturer Communication 10243268, bulletin 2100823, published August 22, 2023. Its verified summary lists P0A45 as Drive Motor B Position Sensor 1 Circuit.
  • NHTSA Manufacturer Communication 10251822, bulletin 2100124, published January 5, 2024. Its verified summary lists P0A45 as Drive Motor B Position Sensor 1 Circuit.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Verified NHTSA-hosted manufacturer communications: 11012824 (21-001-25), 10236905 (2100823), 10243268 (2100823), and 10251822 (2100124). Verified applicability: Chrysler Pacifica, model years 2017–2023, US region.

19. Frequently asked questions

What does P0A45 mean on a Chrysler Pacifica?

The verified evidence identifies P0A45 as “Drive Motor B Position Sensor 1 Circuit.”

Which vehicles are verified as applicable?

The supplied evidence verifies applicability to US-market Chrysler Pacifica vehicles from model years 2017 through 2023.

Is it safe to drive or charge with P0A45?

Not yet established by verified evidence.

What other codes appear with P0A45 in the official bulletin summaries?

The verified bulletin summaries also list P0A3F, P0A43, and P0C1A.

20. Sources & verification

ReferenceVerified
Chrysler P0A45: Drive Motor B Position Sensor 1 Circuit. ? P0C1A -… | EV Diagnostics