Shift Fork Position Circuit Intermittent
The P2835 code indicates an intermittent fault in the shift fork position circuit, which is part of the transmission's electronic control system. This circuit monitors the position of the shift fork to ensure proper gear engagement. An intermittent signal can cause erratic shifting, transmission slipping, or failure to shift. The issue may stem from a faulty shift fork position sensor, damaged wiring, or a loose connection.
01. Most Common Causes
- Faulty shift fork position sensor
- Damaged or corroded wiring/connectors
- Intermittent electrical connection
- Transmission control module (TCM) issue
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Erratic or harsh shifting
- Transmission stuck in gear
- Reduced fuel economy
03. Step-by-Step Diagnosis
Step 1: Scan for codes and record freeze frame data.
Step 2: Visually inspect shift fork position sensor and wiring for damage or corrosion.
Step 3: Test sensor resistance and voltage with a multimeter per manufacturer specs.
Step 4: Check for intermittent connection by wiggling harness while monitoring sensor signal.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended as intermittent shifting can lead to transmission damage or unsafe driving conditions.
How much does it cost to fix?▼
Diagnosis typically costs $50-$150, and repair costs vary from $100 for a sensor replacement to $500+ for wiring repairs.