C1500 on CHEVROLET SILVERADO — Transfer Case Contact Plate "B" Encoder Circuit Failure

Q: "What does C1500 mean on a CHEVROLET SILVERADO?"

"C1500 indicates: Transfer Case Contact Plate \"B\" Encoder Circuit Failure. This is a chassis code. 7 CHEVROLET SILVERADO owners have reported this to NHTSA."

Q: "What are the most common causes of C1500 on CHEVROLET SILVERADO?"

"Based on 7 NHTSA reports, the most commonly cited components are: Power Train, Air Bags, Steering. These percentages are based on the component field in owner complaints."

Q: "Is C1500 serious on my CHEVROLET SILVERADO?"

"Of 7 NHTSA reports for this code on CHEVROLET SILVERADO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHEVROLET SILVERADO shows C1500?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What C1500 Means on Your CHEVROLET SILVERADO

C1500 is a diagnostic trouble code indicating: Transfer Case Contact Plate "B" Encoder Circuit Failure. This code relates to the chassis system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

7 CHEVROLET SILVERADO owners have reported this issue to NHTSA across model years 2005-2008. Most reports come from the 2005, 2007 model years.

Real CHEVROLET SILVERADO Owner Reports

Source: NHTSA Complaints Database

"Steering problems with 2005 chevrolet c1500 truck, tie rods worn out at 20k intermediate steering shaft wore out as well dealer unable to correct safety issues under warranty."

— 2005 CHEVROLET SILVERADO owner · STEERING · Filed 09/30/2007

"Dt: 2005 chevy c1500 half ton pickup t was placed in storage for about a month. this vehicle was never used and had only 13 miles on the speedometer when recieved from the dealer. this was a company vehicle, and when out of storage it was discovered there was no brake fluid."

— 2005 CHEVROLET SILVERADO owner · SERVICE BRAKES, HYDRAULIC · Filed 07/11/2005

"While making a left turn from a 60 mph highway in my 2006 chevrolet c1500 truck my right rear axle came completely out with tire still attached. thank god i had slowed to about 20 mph to make the left turn when it happened or a crash could have resulted."

— 2006 CHEVROLET SILVERADO owner · POWER TRAIN · Filed 11/25/2010

"C1500 at times when stopping will shut down, all lights on the dash board will light up and whole truck will shake. took to chevy dealer ship they said needed new motor.. already put top end of motor in 1 1/2 years ago - same thing is happening now but they say needs new motor."

— 2007 CHEVROLET SILVERADO owner · ELECTRONIC STABILITY CONTROL (ESC),ENGINE · Filed 08/13/2018

"Tl*the contact owns a 2007 chevrolet silverado c1500. when attempting to accelerate the vehicle at 10 mph, the contact heard a loud clunking and revving noise as if it were downshifting or upshifting. the dealer speculated that the transmission was the cause of the failure."

— 2007 CHEVROLET SILVERADO owner · POWER TRAIN · Filed 10/05/2008

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'05

1

'06

2

'07

2

'08

Common Causes on CHEVROLET SILVERADO

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN 28.6%

AIR BAGS 28.6%

STEERING 14.3%

SERVICE BRAKES, HYDRAULIC 14.3%

ELECTRONIC STABILITY CONTROL (ESC),ENGINE 14.3%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does C1500 mean on a CHEVROLET SILVERADO? ▾

C1500 indicates: Transfer Case Contact Plate "B" Encoder Circuit Failure. This is a chassis code. 7 CHEVROLET SILVERADO owners have reported this to NHTSA.

What are the most common causes of C1500 on CHEVROLET SILVERADO? ▾

Based on 7 NHTSA reports, the most commonly cited components are: Power Train, Air Bags, Steering. These percentages are based on the component field in owner complaints.

Is C1500 serious on my CHEVROLET SILVERADO? ▾

Of 7 NHTSA reports for this code on CHEVROLET SILVERADO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET SILVERADO shows C1500? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

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