P2D9D
Starter/Generator Phase W Current Circuit Intermittent/Erratic
P2D9D is an OBD-II diagnostic trouble code meaning: Starter/Generator Phase W Current Circuit Intermittent/Erratic. Common causes: damage to alternator/starter wiring harness, oxidation or poor contact in connectors. Estimated repair cost: $167–556.
Symptoms
- Problems starting the engine
- Battery charge light flashing
- Unstable operation of the vehicle's electrical system
- Generator power reduction
- Intermittent starter operation
Causes
- Damage to alternator/starter wiring harness
- Oxidation or poor contact in connectors
- Alternator/starter malfunction
- Problems with the generator control module
- Short circuit or open circuit
How to Fix
- Check the condition of the alternator/starter wiring harness
- Clean the connector contacts, check the reliability of the connections
- Test the generator/starter on a stand
- Check generator control module
- If necessary, replace the generator/starter
Related codes
Error P2D9D by Vehicle Brand
FAQ
What does the P2D9D code mean?
P2D9D is an OBD-II diagnostic trouble code that indicates: Starter/Generator Phase W Current Circuit Intermittent/Erratic
What causes a P2D9D error code?
The most common causes of P2D9D include: Damage to alternator/starter wiring harness; Oxidation or poor contact in connectors; Alternator/starter malfunction; Problems with the generator control module.
How do I fix a P2D9D diagnostic trouble code?
To fix P2D9D: Check the condition of the alternator/starter wiring harness. Clean the connector contacts, check the reliability of the connections. Test the generator/starter on a stand. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D9D?
Limited driving only, diagnose soon
How much does it cost to fix P2D9D?
The estimated repair cost for P2D9D is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat