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C0161ModerateBrakes

C0161: ABS/TCS Brake Pressure Sensor Circuit

Found on 1 vehicle models across 1 makes

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C0161 is an OBD-II diagnostic trouble code meaning “ABS/TCS Brake Pressure Sensor Circuit.” The brake pressure sensor used by ABS/traction control has a circuit fault. According to Au7o's database, this code appears across 1 vehicle models from 1 manufacturers. Full vehicle-specific causes and solutions at au7o.io.

1
Vehicles Affected
1
Makes
1
Related Issues

Common Causes

1Failed pressure sensor
2Wiring damage
3Corroded connector
4Brake fluid contamination
5ABS module internal fault

Diagnostic Tools

To diagnose C0161, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

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
Check Price on Amazon
Best Value$90–$120

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)
Check Price on Amazon
Advanced$180–$230

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
Check Price on Amazon
Professional$350–$450

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
Check Price on Amazon

As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

Vehicles Affected by C0161

Click any vehicle to see the full issue details, symptoms, and repair guide.

Related Codes

01315ABS Hydraulic Return Pump (VAG)01772Brake Light Switch (VAG)02250ABS Wheel Speed Sensor (VAG)C002487Electronic Brake Force Distribution FaultC0035Left Front Wheel Speed Sensor CircuitC0040Right Front Wheel Speed Sensor CircuitC0045Left Rear Wheel Speed Sensor CircuitC0050Right Rear Wheel Speed Sensor Circuit

Frequently Asked Questions

What does C0161 mean?

C0161 stands for "ABS/TCS Brake Pressure Sensor Circuit." The brake pressure sensor used by ABS/traction control has a circuit fault.

What are the most common causes of C0161?

The most common causes of C0161 are: Failed pressure sensor, Wiring damage, Corroded connector, Brake fluid contamination, ABS module internal fault. The specific cause varies by vehicle — Au7o documents vehicle-specific causes for 1 models.

How much does it cost to fix C0161?

Repair costs vary widely depending on the root cause and vehicle. Check the vehicle-specific issues below for estimated costs.

Which vehicles are affected by C0161?

Au7o has documented C0161 across 1 vehicle models from 1 manufacturers: GMC. See the full list below for vehicle-specific causes and repair costs.

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