C1238 on 2005-2015 Toyota Tacoma — Manufacturer-Specific Chassis/ABS Code
1 vehicles · 1 makes · $350-$1,200 repair
Most Reported On
C1238 is an OBD-II diagnostic trouble code meaning “Manufacturer-Specific Chassis/ABS Code.” C1238 is a manufacturer-specific chassis/ABS trouble code whose meaning varies by maker; reported definitions include a wheel-speed sensor malfunction, an ABS hydraulic pressure differential switch input circuit failure, and a brake thermal model condition. In general it indicates that the ABS/stability control module detected a fault in a circuit or condition it monitors. Setting this code typically affects ABS and traction/stability control and lights the related warnings. Confirm the precise definition for your specific make and model with a capable scan tool or factory service manual before replacing components. This code is most commonly reported on 2005-2015 Toyota Tacoma, with repair costs ranging from $350 to $1,200.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose C1238, 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 C1238 mean?
C1238 stands for "Manufacturer-Specific Chassis/ABS Code." C1238 is a manufacturer-specific chassis/ABS trouble code whose meaning varies by maker; reported definitions include a wheel-speed sensor malfunction, an ABS hydraulic pressure differential switch input circuit failure, and a brake thermal model condition. In general it indicates that the ABS/stability control module detected a fault in a circuit or condition it monitors. Setting this code typically affects ABS and traction/stability control and lights the related warnings. Confirm the precise definition for your specific make and model with a capable scan tool or factory service manual before replacing components.
What are the most common causes of C1238?
The most common causes of C1238 are: Faulty wheel speed sensor or damaged tone ring, ABS pressure differential / brake-related switch fault, Wiring or connector damage / corrosion, Open or short circuit in the affected circuit, ABS/stability control module fault, Poor ground or low system voltage. The specific cause varies by vehicle.
How much does it cost to fix C1238?
Repair costs for C1238 range from $350 to $1,200, depending on the vehicle and root cause.
Which vehicles are affected by C1238?
Au7o has documented C1238 across 1 vehicle models from 1 manufacturers: Toyota.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.