Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
B2278STEERING SHAFT TORQUE SENSOR MALFUNCTION
Manufacturer communications
6Original wording in English
FORD
FORD 2008-2012 ESCAPE/MARINER: BULLETIN INFORMATION REGARDING STEERING CONTROL MODULE WITH DTC B2278, NOT REQUIRED TO HAVE STEERING COLUMN REPLACED. *LJ
FORD
2008-2012 FORD ESCAPE/MARINER: SERVICE INFORMATION INVOLVING THE POWER STEERING CONTROL MODULE WITH DTC B2278- STEERING COLUMN REPLACEMENT IS NOT REQUIRED. *LJ
MAZDA
BULLETIN NOTE•SERVICE BULLETIN 06-001/14, “2008-2011 TRIBUTE - DTC B2278 STORED IN THE POWER STEERING CONTROL MODULE”, IS NO LONGER VALID. •SERVICE BULLETIN 06-001/14 HAS BEEN SUPERSEDED BY SAFETY RECALL 7614E, “2008-2011 TRIBUTE - ELECTRIC POWER-ASSISTED STEERING (EPAS).”
MAZDA
SOME VEHICLES MAY HAVE DTC B2278 (STEERING SHAFT TORQUE SENSOR MALFUNCTION) STORED IN THE POWER STEERING CONTROL MODULE (PSCM). A TORQUE SENSOR SERVICE KIT IS AVAILABLE TO CORRECT THE CONDITION. STEERING COLUMN REPLACEMENT IS NO LONGER NECESSARY.
Check vehicle applicability
16A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.