P1806 Code - Transmission 4-Wheel Drive High Indicator Short Circuit To Battery
Quick Answer
The P1806 diagnostic trouble code indicates a short circuit to the battery in the transmission 4-wheel drive high indicator system. Common causes include Faulty wiring or connectors in the 4-wheel drive high indicator circuit, Short circuit in the indicator switch or sensor, Corrosion or damage to the electrical components in the system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1806 indicates Transmission 4-Wheel Drive High Indicator Short Circuit To Battery.
- Common causes
- Common causes include Faulty wiring or connectors in the 4-wheel drive high indicator circuit, Short circuit in the indicator switch or sensor, Corrosion or damage to the electrical components in the system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1806 Description
The P1806 diagnostic trouble code indicates a short circuit to the battery in the transmission 4-wheel drive high indicator system. This means that there is an electrical issue in the circuit that controls the indicator for the 4-wheel drive high mode in the transmission. This can affect the vehicle's performance by causing the indicator to malfunction or not display the correct mode, leading to potential confusion for the driver. If not addressed, this issue can potentially cause further electrical problems in the vehicle and may affect the overall functionality of the 4-wheel drive system.
Common Causes of P1806
- Faulty wiring or connectors in the 4-wheel drive high indicator circuit
- Short circuit in the indicator switch or sensor
- Corrosion or damage to the electrical components in the system
- Faulty indicator module or control unit
- Issues with the 4-wheel drive system itself, causing feedback to the indicator circuit
Symptoms of P1806
- 4-wheel drive high indicator not working or displaying incorrectly
- Dashboard warning light related to the 4-wheel drive system
- Transmission shifting issues
- Vehicle getting stuck in a particular drive mode
- Loss of 4-wheel drive functionality
How to Fix P1806
- Diagnose the specific cause of the short circuit using a multimeter and wiring diagram
- Inspect and repair any damaged wiring or connectors in the indicator circuit
- Replace any faulty indicator switch, sensor, or control unit
- Clear the diagnostic trouble code from the vehicle's computer and test the system
- Verify proper operation of the 4-wheel drive high indicator and test the entire 4-wheel drive system for functionality
Cost to Fix P1806
The typical repair costs for addressing a P1806 code related to a transmission 4-wheel drive high indicator short circuit to the battery can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to get a quote from a professional technician for a more accurate estimate.
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Code P1806 Information for Specific Makes
- P1806 Ford — Transmission 4-Wheel Drive High Indicator Short Circuit To Battery
- P1806 Lincoln — Transmission 4-Wheel Drive High Indicator Short Circuit To Battery
- P1806 Mercury — Transmission 4-Wheel Drive High Indicator Short Circuit To Battery
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