U054B Volvo 1800 OBD Code

OBD/2 U054B error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

U054B Volvo 1800 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U054B light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If transmission fluid temperature sensor circuit malfunction so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the transmission fluid temperature sensor circuit malfunction.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 30-110

Common Causes of Volvo 1800 U054B OBD2 Code

A common cause of code U054B is the failure of Transmission Fluid Temperature Sensor Circuit Malfunction, but there are several other possible causes as well, such as ;

• Exhaust tube
• Faulty Crankshaft Position Sensor (POS)
• Fuel tank leaking
• Damaged camshaft position (CMP) sensor

U054B is a kind of Network Trouble Code U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

U054B code for other Volvo cars

You can view according U054B DTC for your car model. We selected several models to see obd2 solutions click and view it.

• U054B Volvo 120
• U054B Volvo 122
• U054B Volvo 123
• U054B Volvo 140
• U054B Volvo 142
• U054B Volvo 144
• U054B Volvo 145
• U054B Volvo 1500
• U054B Volvo 164
• U054B Volvo 220
• U054B Volvo 240
• U054B Volvo 242
• U054B Volvo 244
• U054B Volvo 245
• U054B Volvo 260
• U054B Volvo 262
• U054B Volvo 264
• U054B Volvo 265
• U054B Volvo 343
• U054B Volvo 360
• U054B Volvo 440
• U054B Volvo 460
• U054B Volvo 480
• U054B Volvo 66
• U054B Volvo 740
• U054B Volvo 760
• U054B Volvo 780
• U054B Volvo 850
• U054B Volvo 850 R
• U054B Volvo 940
• U054B Volvo 960
• U054B Volvo C30
• U054B Volvo C70
• U054B Volvo Duett
• U054B Volvo Hatric
• U054B Volvo P1800
• U054B Volvo P1900
• U054B Volvo P210
• U054B Volvo Pv
• U054B Volvo S40
• U054B Volvo S60
• U054B Volvo S60 Ii
• U054B Volvo S70
• U054B Volvo S80
• U054B Volvo S80 Ii
• U054B Volvo S90
• U054B Volvo Scc
• U054B Volvo V4
• U054B Volvo V40
• U054B Volvo V50
• U054B Volvo V60
• U054B Volvo V70
• U054B Volvo V70 Ii
• U054B Volvo V70 Iii
• U054B Volvo V90
• U054B Volvo Volvo
• U054B Volvo Xc60
• U054B Volvo Xc70
• U054B Volvo Xc70 I
• U054B Volvo Xc70 Ii
• U054B Volvo Xc90
• U054B Volvo Xc90 Ii
• U054B Volvo Ycc

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