Transmission Range Sensor B Circuit High
The P2892 code means the vehicle's onboard diagnostic system has detected: Transmission Range Sensor B Circuit High. 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 Range Sensor B signal too high
- Harsh or firm shifting
- Check Engine Light on
- Transmission warning light on
Probable Causes (Ranked by Likelihood)
- Open circuit in transmission range sensor B wiring Very High
- Disconnected transmission range sensor B connector High
- Terminal corrosion Moderate
- TCM reference voltage issue Low
Step-by-Step Diagnostic Procedure
-
Read all transmission DTCs
-
Check transmission range sensor B connector integrity
-
Test for open circuits in wiring harness
-
Verify TCM reference voltage output
Frequently Asked Questions
What does a high circuit mean?
A high circuit indicates the signal voltage exceeds the maximum expected value, usually from an open wire or disconnected component.
Is this safe to ignore?
No. High circuit readings can cause the TCM to make incorrect decisions, potentially leading to harsh shifts or transmission damage.
How long does this repair take?
Wiring and connector repairs typically take 1-3 hours. Internal component replacement may require 4-8 hours including transmission removal.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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