MAP Sensor Circuit Intermittent High Voltage
2002-2002 Cadillac Escalade 6.0L V8
The 2002 Cadillac Escalade is equipped with a 6.0L V8 engine. Below you'll find detailed p1106 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The PCM detected intermittent high voltage spikes from the Manifold Absolute Pressure sensor circuit. Unlike a steady high voltage (P0108), this code indicates a sporadic connection issue.
Symptoms
- Check Engine Light (intermittent)
- Intermittent rough running
- Hesitation during acceleration
- Poor fuel economy
Common Causes
- Loose or corroded MAP sensor connector
- Intermittent wiring fault
- Faulty MAP sensor
- Damaged sensor ground circuit
Diagnostic Steps
- Wiggle test MAP sensor connector while monitoring voltage
- Inspect wiring for chafing or damage
- Test MAP sensor output across range
- Check sensor ground circuit
Repair Notes
Clean and reseat MAP sensor connector. 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
P1106 on Other Vehicles
Common Questions
What does code P1106 mean on a 2002-2002 Cadillac Escalade?
P1106 stands for "MAP Sensor Circuit Intermittent High Voltage". The PCM detected intermittent high voltage spikes from the Manifold Absolute Pressure sensor circuit. Unlike a steady high voltage (P0108), this code indicates a sporadic connection issue.
What are the symptoms of P1106 on a Cadillac Escalade?
Common symptoms of P1106 include: Check Engine Light (intermittent), Intermittent rough running, Hesitation during acceleration, Poor fuel economy.
What causes P1106 on a 2002-2002 Cadillac Escalade?
Common causes of P1106 include: Loose or corroded MAP sensor connector, Intermittent wiring fault, Faulty MAP sensor, Damaged sensor ground circuit.
Last updated: March 2026