Transmission Output Speed Sensor B Circuit Low
The P2883 code means the vehicle's onboard diagnostic system has detected: Transmission Output Speed Sensor B Circuit Low. This is a moderate severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- hard
- Estimated cost
- $300 - $1,200 (parts and labor)
Read and clear transmission codes. Many trans codes are caused by low or burnt fluid -- check level and color before assuming the worst.
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Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.
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Common Symptoms
- Transmission Output Speed Sensor B signal missing
- Transmission stuck in one gear
- Check Engine Light on
- Limp mode activated
Probable Causes (Ranked by Likelihood)
- Short to ground in output speed sensor B circuit Very High
- Failed output speed sensor B High
- Corroded connector pins Moderate
- TCM ground circuit fault Low
Step-by-Step Diagnostic Procedure
-
Retrieve DTCs and freeze frame data
-
Measure output speed sensor B voltage at connector
-
Test wiring for shorts to ground
-
Inspect connector for corrosion
Frequently Asked Questions
What causes a low circuit reading?
A low circuit reading is typically caused by a short to ground in the wiring or an internal sensor failure that pulls the signal below minimum.
Can I fix this myself?
If the issue is an accessible connector or external wiring, a competent DIYer may be able to repair it. Internal transmission issues require professional service.
Will this get worse over time?
Yes, electrical issues tend to worsen. Intermittent problems can become permanent failures, potentially causing more expensive damage.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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