P2627
O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 1
2002-2002 Cadillac Escalade 6.0L V8
Moderate SeverityPowertrainGeneric (SAE)
The 2002 Cadillac Escalade is equipped with a 6.0L V8 engine. Below you'll find detailed p2627 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Low current in wideband O2 sensor trim circuit bank 1.
Symptoms
- Check engine light
- Rich running condition
Common Causes
- Sensor fault
- Short to ground in wiring
Diagnostic Steps
- Measure trim circuit
- Check for shorts
Repair Notes
Replace sensor or repair wiring.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2627 on Other Vehicles
Common Questions
What does code P2627 mean on a 2002-2002 Cadillac Escalade?
P2627 stands for "O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 1". Low current in wideband O2 sensor trim circuit bank 1.
What are the symptoms of P2627 on a Cadillac Escalade?
Common symptoms of P2627 include: Check engine light, Rich running condition.
What causes P2627 on a 2002-2002 Cadillac Escalade?
Common causes of P2627 include: Sensor fault, Short to ground in wiring.
Last updated: March 2026