Hyundai Entourage B2699 Engine Trouble Code
What is Hyundai Entourage B2699?
Hyundai Entourage B2699 indicates potential catalytic converter failure. If completely failed, your vehicle may not run properly and fuel economy will suffer significantly. Average replacement cost is $2,000–$2,140. This repair requires professional service and should not be delayed.
B2699 on the Hyundai Entourage
For Hyundai Entourage owners, diagnosing B2699 correctly requires ruling out a faulty camshaft position sensor before replacing more expensive components. The sensor wiring harness on this model runs close to the exhaust manifold and is prone to heat-related insulation damage.
Code Information
| Code Type: | OBD-II Body (B) Trouble Code |
| System: | Body |
| Vehicle: | Hyundai Entourage |
| Brand: | Hyundai |
| Model: | Entourage |
| Code: | B2699 |
B2699 Hyundai Entourage Symptoms
Check Engine Light
Illuminated Hyundai Entourage dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration on the Hyundai Entourage
Starting Problems
Difficulty starting the engine
Poor Fuel Economy
Increased fuel consumption on the Hyundai Entourage
Increased Emissions
Failed emissions test due to B2699
B2699 Code Structure
Understanding what each digit means in the B2699 body trouble code:
| B | 2 | 6 | 9 | 9 |
|---|---|---|---|---|
| Body Code | Fuel And Air Metering (Injector Circuit Malfunctions Only) | Fuel Temperature Sensor B Circuit Range/Performance | Crankshaft Position Sensor A Circuit Malfunction | Reverse Input Circuit |
How to Fix Hyundai Entourage B2699
Diagnostic Steps:
The catalytic converter has oxygen sensors before and after it. When warm and in closed-loop mode, the upstream O2 sensor reading should fluctuate, while downstream should remain steady.
Repair Solution:
Firing order is engineered to minimise vibration. Altering firing order results in mistimed ignition and poor engine operation. Consult vehicle-specific repair manual for correct firing order.
Technical Notes:
B2699 on electronically controlled automatic transmissions relates to shift solenoid operation. The solenoid actuates hydraulic circuits controlling clutches or bands for gear changes.
Hyundai Entourage B2699 Repair Cost
Replacing the lambda (O2) sensor wiring loom section on the Hyundai Entourage costs $90–$160 at a body shop or auto-electrician. This is far cheaper than replacing the sensor itself when the sensor is otherwise functional — always inspect wiring before condemning sensors.
B2699 Description
B2699 engine trouble code is related to Reverse Input Circuit.
Main Cause
The primary reason for B2699 OBD-II Engine Trouble Code is: Fuel Temperature Sensor B Circuit Range/Performance.
Common B2699 Misdiagnosis on the Hyundai Entourage
On Hyundai Entourage vehicles, the turbo boost solenoid and the MAP sensor feed into the same diagnostic path. B2699 caused by a faulty boost solenoid is sometimes charged to the customer as a MAP sensor replacement, doubling unnecessary parts spend.
DIY Repair Guide: B2699 on Hyundai Entourage
For the Hyundai Entourage, an EGR valve inspection is a useful DIY step before spending money on diagnosis. Remove the valve (2–4 bolts depending on generation), inspect for carbon build-up, and use carburettor cleaner and a soft brass brush to clean the valve face and seat.
Preventing B2699 on the Hyundai Entourage
For turbocharged Hyundai Entourage models, allowing the engine to idle for 60–90 seconds before shutdown after hard driving reduces turbocharger heat soak and prevents the coking of oil that blocks VVT galleries — a known secondary trigger of B2699.
Frequently Asked Questions — Hyundai Entourage B2699
A: Almost certainly yes. Most faults that trigger B2699 cause the ECU to operate in open-loop mode or apply overly rich fuel trims, both of which increase fuel consumption by 5–15%. Resolving the fault promptly pays for itself in fuel savings over time.