B3055 on 2004-2012 Chevrolet Colorado — Key Not Present
1 vehicles · 1 makes · $250-$700 repair
Most Reported On
B3055 is an OBD-II diagnostic trouble code meaning “Key Not Present.” B3055 is a vehicle access/keyless-entry body code generally defined as 'key not present.' The keyless/passive entry module sets this code when it cannot detect a valid key fob inside the vehicle during an operation that requires the key (such as a push-button start). It usually points to a low fob battery, a fob/antenna issue, or a system fault, and typically affects keyless start/entry convenience rather than vehicle safety. This code is most commonly reported on 2004-2012 Chevrolet Colorado, with repair costs ranging from $250 to $700.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose B3055, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does B3055 mean?
B3055 stands for "Key Not Present." B3055 is a vehicle access/keyless-entry body code generally defined as 'key not present.' The keyless/passive entry module sets this code when it cannot detect a valid key fob inside the vehicle during an operation that requires the key (such as a push-button start). It usually points to a low fob battery, a fob/antenna issue, or a system fault, and typically affects keyless start/entry convenience rather than vehicle safety.
What are the most common causes of B3055?
The most common causes of B3055 are: Dead or weak key fob battery, Key fob out of range or failed, Faulty interior keyless-entry antenna, Damaged wiring or connector to an antenna, RF interference, Keyless control / receiver module fault. The specific cause varies by vehicle.
How much does it cost to fix B3055?
Repair costs for B3055 range from $250 to $700, depending on the vehicle and root cause.
Which vehicles are affected by B3055?
Au7o has documented B3055 across 1 vehicle models from 1 manufacturers: Chevrolet.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.