P1106: Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

OTHER FORD LINCOLN MERCURY VOLKSWAGEN SUBARU BUICK CADILLAC

Severity

Low

System

Manufacturer-Specific Powertrain

Last reviewed: Jan 1, 0001 Last updated: Jan 1, 0001

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What Does P1106 Mean?

P1106 is a manufacturer-specific diagnostic trouble code: Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage. This code applies to OTHER, FORD, LINCOLN, MERCURY, VOLKSWAGEN vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1106

⚠️ Check Engine Light (MIL) illuminated
⚠️ Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ Reduced engine performance

Common Causes

🔍 Loose or intermittent connection at Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor
🔍 Wire chafing causing intermittent contact
🔍 Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P1106 mean?

P1106 indicates: Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage. The vehicle's computer has detected that the Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1106?

Yes, P1106 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix P1106?

Repair costs for P1106 typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and reseat all Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor connectors
🔧 Repair chafed or damaged wiring in Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor circuit
🔧 Replace Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor if failing intermittently

1
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2
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3
Get a professional diagnosis
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