Applicable Systems
OBD-II
Symptoms
The CVT start clutch pressure control solenoid circuit is high. The start clutch may not disengage properly.
Possible Causes
- Start clutch solenoid shorted to power
- Wiring harness chafed
- Connector damaged
- TCM driver shorted
- Solenoid internal open
Troubleshooting Steps
- Step 1: Connect an OBD-II scan tool and read all stored DTCs and freeze frame data
All DTCs and freeze frame data are retrieved - Step 2: Inspect the related sensor or actuator wiring for damage, corrosion, or loose connections
Wiring and connectors are in good condition - Step 3: Use a digital multimeter to check sensor voltage, resistance, and reference signals per manufacturer specifications
Values are within specified range - Step 4: Perform component-level testing of the suspected sensor or actuator
Component passes or fails definitively - Step 5: Clear codes and road test to verify repair
Code does not return and system operates normally
How to Reset
To reset code P1321: 1) Repair the underlying fault. 2) Use an OBD-II scan tool to clear the DTC. 3) Perform a drive cycle to verify the monitor completes. 4) If the code returns, further diagnosis is needed.
Frequently Asked Questions
- Q: What does OBD-II code P1321 mean?
Code P1321 indicates: CVT Start Clutch Pressure Control Solenoid High. This is a Honda manufacturer-specific diagnostic trouble code.
- Q: Is code P1321 serious?
Severity: Major. Immediate attention is recommended to prevent further damage.
- Q: Can I drive with code P1321?
It is not recommended to drive with this code active as it may cause further damage.
- Q: How do I fix code P1321?
Diagnose the Transmission system, check wiring and connectors, test the related sensor or actuator, and replace faulty components as needed.
Comments (0)
Share your experience to help others facing the same problem.
Leave a Comment
Source: OBD-II Manufacturer Extended Codes / SAE J2012 / OBD-Codes.com
Category: OBD-II
No comments yet. Be the first to share your experience!