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P0722
RELATED CASE STUDIES
2014 Toyota Sienna
Toyota
Severity
Medium
Safe to Drive
Yes
Est. Time
1hr
Difficulty
Moderate
SYMPTOM
Speedometer reads zero, harsh shifting
Why This Happens
A completely failed output speed sensor gives the TCM no signal at all, forcing it into a default harsh-shift pattern.
VERIFIED FIX:
Output speed sensor replaced
How It Was Diagnosed
A completely failed output speed sensor gives the TCM no signal at all, forcing it into a default harsh-shift pattern.
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