Code status
Needs verification
Not yet verified against SAE J2012_202509 / J2012DA. Treat unverified rows as a lookup aid, not repair authority.
- System
- Transmission
- Scope
- iso-sae-controlled-p0
- Standard
- SAE J2012 / ISO 15031-6
- Source
- legacy-import
Diagnostic boundary
A diagnostic trouble code reports that a monitored test failed. It does not prove one specific part is bad, and manufacturer logic can add vehicle-specific conditions.
Do not condemn the TCM before checking solenoid B wiring, connector, and internal harness integrity.
Useful checks before replacing parts
- Check for short-to-voltage, open ground, poor connector contact, and solenoid B control circuit faults.
- Compare solenoid command with actual circuit voltage or current and gear-ratio response.
- Inspect transmission connector sealing, internal harness routing, and recent wiring repairs.
Related OBD-II codes
These nearby transmission entries can help compare wording and fault area. They may share the same verification status as the source database.