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Code C1151

Quick reference

C1151 at a glance

Plain-language meaning
This code means that the computer in your car found a problem with the memory that helps control the way the back wheels move to keep the car stable.
Urgency
Moderate – While the vehicle may still be drivable, stability and handling could be compromised, especially in adverse conditions.
Difficulty
Moderate
System
Stability Control System Issue
Tools mentioned
OBD-II scanner, Multimeter, Basic hand tools

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means that the computer in your car found a problem with the memory that helps control the way the back wheels move to keep the car stable.

Explanation

The vehicle's control module has detected an error in the ROM that manages the rear axle's slip angle, which is crucial for stability control.

Technical description

The C1151 code indicates a malfunction in the Read Only Memory (ROM) associated with the rear axle slip angle control system. This system is part of the vehicle's stability control and helps maintain proper wheel alignment and traction. An error in the ROM can disrupt the stability control function, potentially leading to handling issues.

Symptoms

• Stability control warning light on the dashboard

• Poor handling or stability during driving

• Unusual tire wear

Common Causes

• Faulty control module

• Corrupted ROM data

• Electrical issues such as poor connections or damaged wiring

Glossary

ROM: Read Only Memory, a type of non-volatile storage in computers.

Slip Angle: The angle between the direction a wheel is pointing and the direction it is actually moving.

Diagnosis steps

• Use an OBD-II scanner to confirm the C1151 code.

• Inspect the control module and wiring for damage or loose connections.

• Check for any software updates or reprogramming needs for the control module.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Reprogram or replace the control module if necessary.

• Clear the code and test drive to ensure the issue is resolved.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$150 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Ford Explorer

• Toyota Camry

• Nissan Altima

Preventive measures

• Regularly check and maintain vehicle's electrical systems.

• Ensure software updates are applied as recommended by the manufacturer.

• Inspect and maintain vehicle stability control components.

Error code type

Stability Control System Issue

User experience recommendations

• Do not ignore the stability control warning light.

• Have the vehicle inspected by a professional if you notice handling issues.

• Regularly service your vehicle as per the manufacturer's schedule.

Warranty information

This issue may be covered under the vehicle's powertrain or emissions warranty. Check with your dealer for specific coverage.

Historical data

The C1151 code has been associated with stability control issues, particularly in vehicles with advanced traction management systems.

Urgency level

Moderate – While the vehicle may still be drivable, stability and handling could be compromised, especially in adverse conditions.

Testing conditions

• Vehicle must be on a level surface.

• Ensure the vehicle's battery is fully charged.

Component location

The control module is typically located under the dashboard or in the engine compartment, depending on the vehicle model.

FAQs

Q: Can I drive my car with the C1151 code?
A: It's possible to drive, but it's not recommended as the vehicle's stability control may be compromised.

Q: How can I reset the C1151 code?
A: You can use an OBD-II scanner to clear the code, but it's important to fix the underlying issue first.

Optional diagnostic gear

Tools that may help diagnose C1151

FOXWELL Multi-System Scanner diagnostic tool illustration

Pro · Four-system diagnostics

FOXWELL Multi-System Scanner

A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.

Chassis and ABS faults usually need a scanner that can read brake-system data directly.

View on Amazon
EPAuto 1/2" Torque Wrench diagnostic tool illustration

Universal · Torque wrench

EPAuto 1/2" Torque Wrench

Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.

Useful when wheel, hub, or suspension hardware needs correct reassembly torque.

View on Amazon
MaxxHaul Vehicle Ramps diagnostic tool illustration

Universal · Drive-on ramps

MaxxHaul Vehicle Ramps

Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.

Helpful for safer access during underbody inspection work.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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