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C1241 on TOYOTA HIGHLANDER

ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground

NHTSA Reports
4
Severity
High
Most Affected
2008, 2009, 2011
Crashes / Fires
0 / 0
Source: NHTSA Complaints Database · SAE J2012

What C1241 Means on Your TOYOTA HIGHLANDER

C1241 is a diagnostic trouble code indicating: ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground. This code relates to the chassis system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

4 TOYOTA HIGHLANDER owners have reported this issue to NHTSA across model years 2008-2018. Most reports come from the 2008, 2009 model years. The most commonly reported component is Service Brakes (75.0% of reports).

Real TOYOTA HIGHLANDER Owner Reports

Source: NHTSA Complaints Database

"On approx. August 13, 2021, my 2008 Toyota Highlander Hybrid vehicle began making grinding sounds when the brake is fully depressed while the transmission lever is set to "drive". On approx."

— 2008 TOYOTA HIGHLANDER owner · SERVICE BRAKES · Filed 08/20/2021

"2009 vehicle (manufactured 9/2008) only has 83k miles on it. croaking sound for week or so and then one morning abs failure warning on display. codes are c1241 and c1391. same problem as others. needs new abs pump and actuator."

— 2009 TOYOTA HIGHLANDER owner · SERVICE BRAKES · Filed 08/04/2018

"When driving approximately 20-30mph multiple warning lights illuminated on dash along with Brake Malfunction warning on information display. Did not notice any issues with braking and no fluid loss / leaks noted."

— 2011 TOYOTA HIGHLANDER owner · SERVICE BRAKES · Filed 11/30/2021

"1)The following components failed:Symptoms and Diagnostic Trouble Codes TRANSMISSION P0741 - Torque Converter Clutch Circuit Performance/Stuck Off P2757 - Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off P2714 - Pressure Control Solenoid 'D' Performance/Stuck O"

— 2018 TOYOTA HIGHLANDER owner · POWER TRAIN · Filed 09/27/2025

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

📊 Complaint Trend by Model Year

1
'08
1
'09
1
'11
1
'18

Common Causes on TOYOTA HIGHLANDER

Based on NHTSA complaint component analysis for this vehicle.

SERVICE BRAKES 75%
POWER TRAIN 25%

What To Do Next

  1. 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. 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. 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 C1241 mean on a TOYOTA HIGHLANDER? ▾
C1241 indicates: ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground. This is a chassis code. 4 TOYOTA HIGHLANDER owners have reported this to NHTSA.
What are the most common causes of C1241 on TOYOTA HIGHLANDER? ▾
Based on 4 NHTSA reports, the most commonly cited components are: Service Brakes, Power Train. These percentages are based on the component field in owner complaints.
Is C1241 serious on my TOYOTA HIGHLANDER? ▾
Of 4 NHTSA reports for this code on TOYOTA HIGHLANDER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.
What should I do if my TOYOTA HIGHLANDER shows C1241? ▾
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.

C1241 on Other Vehicles

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2 reports
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