Error code
OBD2 P0985
OBD2P0985
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Shift Solenoid 'E' Control Circuit Low.
Severity
moderateCan drive but may experience shifting issues.
Summary
P0985 indicates a low control circuit issue with Shift Solenoid E in the transmission.
Symptoms
- Poor acceleration
- High-revving before shifting
- Harsh shifting
Common Causes
- Rodent damage to wiring harness
- Poor repairs leading to misrouted or damaged wiring
Diagnosis
- Check the wiring harness for damage and proper connections.
- Perform a resistance check between TCM and Shift Solenoid E.
- Test the solenoid itself if circuit checks indicate an issue.
Fixes
- Repair or replace damaged wiring harness
- Replace faulty shift solenoid
FAQ
What causes P0985?
Common causes include rodent damage to wiring and poor repairs leading to misrouted or damaged wiring.
How do I diagnose P0985?
Diagnose by checking the wiring harness, performing resistance checks between TCM and Shift Solenoid E, and testing the solenoid itself if necessary.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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