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 P2B67

Quick reference

P2B67 at a glance

Plain-language meaning
The car's computer is saying that there's a problem with the part that helps cool the engine. It's not getting enough power to work properly.
Urgency
High – This issue can lead to engine overheating, which can cause severe engine damage.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
OBD-II scanner, Multimeter, Wrench set

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

Laymans terms

The car's computer is saying that there's a problem with the part that helps cool the engine. It's not getting enough power to work properly.

Explanation

This code indicates that the control circuit for the coolant pump labeled 'D' is experiencing low voltage or power.

Technical description

The P2B67 code is triggered when the Engine Control Module (ECM) detects a low voltage condition in the control circuit of the coolant pump designated as 'D'. This could be due to wiring issues, a faulty pump, or problems with the ECM itself.

Symptoms

• Engine overheating

• Check Engine Light on

• Poor engine performance

Common Causes

• Faulty coolant pump D

• Damaged wiring or connectors

• Faulty Engine Control Module (ECM)

Glossary

ECM: Engine 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 coolant pump D for proper operation.

Repair procedures

• Replace or repair damaged wiring or connectors.

• Replace the faulty coolant pump D.

• Reprogram or replace the ECM if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Wrench set

Estimated repair cost

$150 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Vehicle 1

• Vehicle 2

• Vehicle 3

Preventive measures

• Regular maintenance checks

• Ensure proper coolant levels

• Inspect wiring and connectors periodically

Error code type

Sensor Issue

User experience recommendations

• Do not ignore the Check Engine Light.

• Get the vehicle inspected by a professional.

• Avoid driving long distances until repaired.

Warranty information

Check your vehicle's warranty for coverage on electrical components.

Historical data

This code has been associated with vehicles that have experienced electrical issues in the coolant system.

Urgency level

High – This issue can lead to engine overheating, which can cause severe engine damage.

Testing conditions

• Engine at operating temperature

• Coolant system pressurized

Component location

The coolant pump is usually located near the front of the engine, driven by the serpentine belt.

FAQs

Q: Can I drive with the P2B67 code?
A: It's not recommended to drive with this code as it can lead to engine overheating.

Q: How do I reset the Check Engine Light after fixing the issue?
A: Use an OBD-II scanner to clear the code after the repair is completed.

Optional diagnostic gear

Tools that may help diagnose P2B67

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
🌙