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Code P2136

Quick reference

P2136 at a glance

Plain-language meaning
This code means that the car's computer is getting confusing signals from the gas pedal. It's like when you press a button on a toy and it doesn't do what you expect because the wires are crossed.
Urgency
Moderate – While the vehicle may still be drivable, it should be repaired soon to avoid further issues.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
OBD-II scanner, Multimeter, Screwdriver set

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

Laymans terms

This code means that the car's computer is getting confusing signals from the gas pedal. It's like when you press a button on a toy and it doesn't do what you expect because the wires are crossed.

Explanation

The P2136 code is triggered when the engine control module (ECM) detects a voltage discrepancy between the throttle position sensor/switch A and C.

Technical description

The throttle position sensor (TPS) is responsible for monitoring the position of the throttle in an internal combustion engine. It sends this information to the ECM, which uses it to control the amount of air and fuel entering the engine. The P2136 code indicates that there is a mismatch in the voltage readings between two throttle position sensors or switches, A and C, which should normally correlate.

Symptoms

• Check Engine Light is on

• Poor engine performance

• Vehicle may go into 'limp' mode

Common Causes

• Faulty throttle position sensor

• Wiring issues in the throttle position sensor circuit

• Faulty ECM

Glossary

ECM: Engine Control Module

TPS: Throttle Position Sensor

Diagnosis steps

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

• Inspect the wiring and connectors related to the throttle position sensor.

• Test the throttle position sensor for proper function.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Replace the throttle position sensor if faulty.

• Reprogram or replace the ECM if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Screwdriver set

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regularly inspect and maintain the throttle position sensor.

• Ensure all electrical connections are secure.

• Avoid exposure to moisture and contaminants.

Error code type

Sensor Issue

User experience recommendations

• Do not ignore the Check Engine Light.

• Have the vehicle inspected by a professional if unsure.

• Avoid driving the vehicle aggressively until repaired.

Warranty information

Repairs may be covered under the vehicle's powertrain warranty if applicable.

Historical data

P2136 is a common code that has been observed in vehicles with electronic throttle control systems.

Urgency level

Moderate – While the vehicle may still be drivable, it should be repaired soon to avoid further issues.

Testing conditions

• Engine running

• Throttle pedal pressed

Component location

The throttle position sensor is typically located on the throttle body, which is connected to the intake manifold.

FAQs

Q: Can I drive with a P2136 code?
A: While you may be able to drive, it's not recommended as it can lead to poor performance and unsafe conditions.

Q: How serious is a P2136 code?
A: It's moderately serious. It should be addressed soon to prevent further issues.

Optional diagnostic gear

Tools that may help diagnose P2136

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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