CorollaFix

P0977 on the 1.3 automatic

Symptoms
Check engine light with code P0977, harsh or wrong shifts
Likely cause
Shift solenoid circuit fault reported by owners.
Fix
Check the gearbox connector and wiring, then clean or replace the shift solenoids. Check the fluid level.
Applies to
XLi / GLi 1.3 automatic
Related fault codes
P0977
Confidence
low

Sources

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Where the parts are · Warning lights · Fault codes · Maintenance

Guidance only – confirm with a mechanic before repairs. All common problems