2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts
none
P0058
2C9F - P0058
Information saved in
DME
Fault code
2C9F - P0058
Fault text
Oxygen sensor heating behind catalytic converter 2,
activation
Fault description
HO2S Heater Control Circuit High (Bank 2 Sensor 2)
Condition for fault identification
Test condition:
Driver circuit diagnosis for O2 sensor heater
UBatt > 10V
Sensors installed
No fault memories
Terminal condition: Terminal 15, engine on
Voltage condition:
none
Condition for fault memory entry
Active immediately after terminal 15 change; electr. faults
entered within a few seconds
Action in service
1. Visual inspection of wiring, DME plug and O2 sensor for
damage
2. Inspect wiring
3. Check plug-in connections DME <=> Wiring harness
<=> downstream (post-cat) O2 sensor for Bank 2 precatalyst
4. Replace O2 sensor
5. Replace DME
Fault effect and breakdown warning
DIAGNOSIS AND REPAIR, MAINTENANCE, PARTS AND LABOR, SHOP OPERATIONS, TECHNICIAN'S REFERENCE, DIAGNOSTIC TROUBLE CODES(dtc), RELAYS AND MODULES, SENSORS AND SWITCHES,ENGINE, COOLING AND EXHAUST, POWERTRAIN MANAGEMENT, TRANSMISSION AND DRIVETRAIN, BRAKES AND TRACTION CONTROL, STARTING AND CHARGING, POWER AND GROUND DISTRIBUTION, STEERING AND SUSPENSION, HEATING AND AIR CONDITIONING, RESTRAINTS AND SAFETY SYSTEMS, ACCESSORIES AND OPTIONAL EQUIPMENT, BODY AND FRAME,CRUSIS CONTROL.