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Code P087A

Quick reference

P087A at a glance

Plain-language meaning
This code means that the car's computer has detected a problem with the sensor that tells it where the clutch is. It's like if a video game controller stopped telling the game when you pressed a button.
Urgency
Moderate – It should be addressed soon to prevent potential transmission damage.
Difficulty
Moderate
System
Sensor 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 car's computer has detected a problem with the sensor that tells it where the clutch is. It's like if a video game controller stopped telling the game when you pressed a button.

Explanation

The P087A code is triggered when the transmission control module (TCM) detects an issue with the circuit related to the clutch position sensor B. This sensor helps the TCM understand the position of the clutch.

Technical description

The clutch position sensor B is responsible for providing the TCM with data regarding the position of the clutch. If the sensor's circuit has an open or short, or if the sensor itself is malfunctioning, the TCM will set the P087A code. This can affect the vehicle's ability to shift gears properly.

Symptoms

• Check Engine Light is on

• Transmission may not shift properly

• Reduced fuel efficiency

Common Causes

• Faulty clutch position sensor B

• Damaged wiring or connectors

• Faulty transmission control module (TCM)

Glossary

TCM: Transmission Control Module

OBD-II: On-Board Diagnostics II

Diagnosis steps

• Use an OBD-II scanner to confirm the code

• Inspect the wiring and connectors for damage

• Test the clutch position sensor B for proper operation

Repair procedures

• Replace the clutch position sensor B

• Repair or replace damaged wiring or connectors

• Replace the transmission control module if necessary

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Ford Focus

• Chevrolet Cruze

• Volkswagen Jetta

Preventive measures

• Regular maintenance checks

• Ensure wiring harnesses are secure

• Avoid harsh driving conditions

Error code type

Sensor Issue

User experience recommendations

• Have the vehicle inspected by a professional

• Avoid driving the vehicle until repaired if shifting issues are severe

Warranty information

Check with the vehicle manufacturer for specific warranty coverage related to the transmission and sensors.

Historical data

This code has been associated with vehicles that have electronic clutch systems, particularly in models with dual-clutch transmissions.

Urgency level

Moderate – It should be addressed soon to prevent potential transmission damage.

Testing conditions

• Vehicle in park or neutral

• Engine running

Component location

The clutch position sensor is typically located near the clutch pedal or within the transmission assembly.

FAQs

Q: Can I drive with a P087A code?
A: It's not recommended as it can lead to further transmission issues.

Q: How do I reset the P087A code?
A: Fix the underlying issue and use an OBD-II scanner to clear the code.

Optional diagnostic gear

Tools that may help diagnose P087A

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

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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