P26C3 — Internal Control Module Transmission Range Sensor Performance

What Does P26C3 Mean?

P26C3 is a diagnostic trouble code indicating: Internal Control Module Transmission Range Sensor Performance. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P26C3

⚠️ Check Engine Light (MIL) illuminated
⚠️ Internal Control Module Transmission Range Sensor not meeting expected output
⚠️ Degraded performance of related system
⚠️ Reduced engine performance

Common Causes

🔍 Internal Control Module Transmission Range Sensor degraded from age or contamination
🔍 Mechanical wear in Internal Control Module Transmission Range Sensor or related parts
🔍 Restriction or blockage affecting Internal Control Module Transmission Range Sensor
🔍 Calibration drift in Internal Control Module Transmission Range Sensor

Frequently Asked Questions

What does P26C3 mean?

P26C3 indicates: Internal Control Module Transmission Range Sensor Performance. The vehicle's computer has detected that the Internal Control Module Transmission Range Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P26C3?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P26C3 for extended periods may cause additional problems.

How much does it cost to fix P26C3?

Repair costs for P26C3 typically range from $50 to $400, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Internal Control Module Transmission Range Sensor for contamination or wear
🔧 Replace Internal Control Module Transmission Range Sensor
🔧 Address any related mechanical faults

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P26C3: Internal Control Module Transmission Range Sensor Performance