DTC C0020-12
DTC C0020-12 : Pump Motor Circuit Failure (Stuck ON)
NOTE: Before you troubleshoot, review the general troubleshooting information - Refer to:
How to Troubleshoot the VSA System (2014 2015 2016) or
How to Troubleshoot the VSA System (2017 2018 2019 2020),
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| C0020-12 Pump Motor Circuit Failure (Stuck ON) |
DTC (VSA)
- Problem verification
- 1. Turn the vehicle to the ON mode.
- 2. Clear the DTC with the HDS.
- 3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- 4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame C0020-12 Pump Motor Circuit Failure (Stuck ON) Is DTC C0020-12 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting - Refer to:
- Open wire check (PGND line)
- 1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
VSA modulator-control unit 38P connector - 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode VSA modulator-control unit 38P connector: disconnected Test point 1 VSA modulator-control unit 38P connector No. 1 - Refer to:
VSA Modulator-Control Unit Connector for Inputs and Outputs (2014 2015), or
VSA Modulator-Control Unit Connector for Inputs and Outputs (2016), or
VSA Modulator-Control Unit Connector for Inputs and Outputs (2017 2018 2019 2020)Test point 2 Body ground Is there continuity?
YES
The PGND wire is OK. Check for loose terminals and poor connections in the VSA modulator-control unit 38P connector. If they are OK, replace the VSA modulator-control unit .
NO
Repair an open or poor connection in the wire between the VSA modulator-control unit and body ground (G203).