The P0189 is a generic OBD-II powertrain trouble code. Its official definition is “Fuel Temperature Sensor B Circuit Intermittent”.
Finding an OBD2 scanner for iPhone requires compatible Bluetooth or WiFi models.
All OBD2 Scanners
What Works with iPhone
Usually WiFi or special Bluetooth models.
Benefits
iOS compatibility
App support
Best iPhone OBD2 Scanners
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ELM327 OBD2 Bluetooth Scanner – Your All‑in‑One Car Diagnostic Tool
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Bluetooth Wireless OBD2 Scanner, Compatible with Android & iOS
Price range: $12.98 through $19.80This product has multiple variants. The options may be chosen on the product page
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How to Choose
iOS support
App compatibility
FAQs
Q: Do all Bluetooth scanners work?
A: No.
Related Guides
The P0187 is a generic OBD-II powertrain trouble code. Its official definition is “Fuel Temperature Sensor B Circuit Low Input”.
The P0181 is a generic OBD-II powertrain trouble code. Its official definition is “Fuel Temperature Sensor A Circuit Range/Performance”.
The P0175 is a generic OBD-II powertrain trouble code. Its official definition is “System Too Rich (Bank 2)”.
The P0170 is a generic OBD-II powertrain trouble code. Its official definition is “Fuel Trim Malfunction (Bank 1)”.
The P0165 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Circuit Slow Response (Bank 2, Sensor 3)”.
The P0164 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Circuit High Voltage (Bank 2, Sensor 3)”.
The P0160 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)”.