ezOBD2 - Free OBD2 Code Lookup and Check Engine Light Diagnostic Tool

Find Your OBD2 Code Fast

Type the code from your scanner to get causes, symptoms, and fixes.

Code P162C

Quick reference

P162C at a glance

Plain-language meaning
This code means that the car's computer noticed that the part controlling the amount of air going into the engine got stuck for a little while on one side of the engine.
Urgency
Moderate – While the vehicle may still be drivable, it can lead to performance issues and should be addressed soon.
Difficulty
Moderate
System
Engine Performance
Tools mentioned
OBD-II scanner, Throttle body cleaner, Multimeter

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

Laymans terms

This code means that the car's computer noticed that the part controlling the amount of air going into the engine got stuck for a little while on one side of the engine.

Explanation

The engine control module (ECM) detected that the throttle valve position was temporarily stuck, affecting air intake control on Bank 2.

Technical description

The throttle valve is responsible for regulating the amount of air entering the engine. When the ECM detects that the throttle valve is not moving as expected, it triggers code P162C. This specific code indicates a temporary issue where the throttle was stuck, potentially affecting engine performance on Bank 2.

Symptoms

• Check Engine Light illuminated

• Poor engine performance

• Hesitation or stalling during acceleration

Common Causes

• Dirty or clogged throttle body

• Faulty throttle position sensor

• Mechanical obstruction in the throttle linkage

Glossary

Throttle Body: A component of the air intake system that controls the amount of air entering the engine.

Throttle Position Sensor: A sensor that monitors the position of the throttle valve and sends data to the ECM.

Diagnosis steps

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

• Inspect the throttle body for dirt or obstructions.

• Test the throttle position sensor for proper operation.

Repair procedures

• Clean the throttle body.

• Replace the throttle position sensor if faulty.

• Ensure there are no mechanical obstructions in the throttle linkage.

Tools required

• OBD-II scanner

• Throttle body cleaner

• Multimeter

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Audi A4

• Volkswagen Passat

• BMW 3 Series

Preventive measures

• Regularly clean the throttle body.

• Perform routine maintenance checks.

• Use high-quality fuel to reduce deposits.

Error code type

Engine Performance

User experience recommendations

• Avoid driving at high speeds until repaired.

• Have a professional inspect the vehicle.

• Do not ignore the Check Engine Light.

Warranty information

Check with your vehicle manufacturer for specific warranty coverage related to throttle components.

Historical data

This code has been reported in vehicles with electronic throttle control systems, particularly in models with known throttle body issues.

Urgency level

Moderate – While the vehicle may still be drivable, it can lead to performance issues and should be addressed soon.

Testing conditions

• Engine running

• Throttle position changes

Component location

The throttle body is typically located between the air filter box and the intake manifold on the engine.

FAQs

Q: Can I drive my car with this code?
A: It's possible to drive, but it is not recommended as it may lead to poor performance and unsafe conditions.

Q: How can I prevent this issue?
A: Regular maintenance and cleaning of the throttle body can help prevent this issue.

Optional diagnostic gear

Tools that may help diagnose P162C

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.

View on Amazon
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
🌙