MAP Sensor Circuit Intermittent Low Voltage
2007-2007 Cadillac CTS 3.2L V6
The 2007 Cadillac CTS is equipped with a 3.2L V6 engine. Below you'll find detailed p1107 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The PCM detected intermittent low voltage drops from the MAP sensor circuit. This indicates a sporadic loss of signal, often caused by a loose connection.
Symptoms
- Check Engine Light (intermittent)
- Intermittent stalling
- Surging at idle
- Hesitation
Common Causes
- Loose MAP sensor connector
- Intermittent open in wiring
- Faulty MAP sensor
- Corroded terminals
Diagnostic Steps
- Wiggle test MAP sensor connector while monitoring voltage
- Inspect wiring for breaks
- Test MAP sensor
- Check 5-volt reference supply
Repair Notes
Clean connectors and repair any damaged wiring. Replace MAP sensor if faulty.
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
P1107 on Other Vehicles
Common Questions
What does code P1107 mean on a 2007-2007 Cadillac CTS?
P1107 stands for "MAP Sensor Circuit Intermittent Low Voltage". The PCM detected intermittent low voltage drops from the MAP sensor circuit. This indicates a sporadic loss of signal, often caused by a loose connection.
What are the symptoms of P1107 on a Cadillac CTS?
Common symptoms of P1107 include: Check Engine Light (intermittent), Intermittent stalling, Surging at idle, Hesitation.
What causes P1107 on a 2007-2007 Cadillac CTS?
Common causes of P1107 include: Loose MAP sensor connector, Intermittent open in wiring, Faulty MAP sensor, Corroded terminals.
Last updated: March 2026