Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Nissan-Datsun Altima BaseFACTORY OEM SERVICE PROCEDURE
Power Distribution System
POWER CONTROL SYSTEM (POWER DISTRIBUTION SYSTEM) DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC U1000: CAN COMM CIRCUIT | CAN COMM CIRCUIT |
| DTC U1010: CONTROL UNIT (CAN) | CONTROL UNIT (CAN) |
| DTC B2553: IGNITION RELAY | IGNITION RELAY |
| DTC B260A: IGNITION RELAY | IGNITION RELAY |
| DTC B2611: ACC RELAY | ACC RELAY |
| DTC B2614: ACC RELAY CIRCUIT | ACC RELAY CIRCUIT |
| DTC B2615: BLOWER RELAY CIRCUIT | BLOWER RELAY CIRCUIT |
| DTC B2616: IGNITION RELAY CIRCUIT | IGNITION RELAY CIRCUIT |
| DTC B2618: BCM | BCM |
| DTC B261A: PUSH-BUTTON IGNITION SWITCH | PUSH-BUTTON IGNITION SWITCH |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.