B1248 Right Rear Turn Indicator Circuit Short to Ground

OBD2 Code: B1248

Description: Right rear turn indicator circuit short to ground.

Definition: This code indicates that there is a short circuit to ground in the right rear turn signal indicator circuit. This means that the electrical path for the right rear turn signal has an unintended connection to ground, which can cause malfunction or failure of the turn signal operation on that side of the vehicle.

B1248: Right rear turn indicator circuit short to ground
Severity: Moderate

Common Causes

B1248 – Right Rear Turn Indicator Circuit Short to Ground

Common Causes:

• Faulty right rear turn signal bulb
• Short circuit in the wiring harness of the right rear turn indicator
• Corrosion or poor connection at the right rear turn signal socket
• Faulty right rear turn signal relay

Common Misdiagnosis

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OBD2 Code: B1248

Description: Right Rear Turn Indicator Circuit Short to Ground

Common Misdiagnosis: Replacing the turn signal bulb or flasher relay without checking for wiring issues.

Common Diagnostic Steps

• OBD2 Code: B1248
• Description: Right Rear Turn Indicator Circuit Short to Ground
• Common Diagnostic Steps:
  1. Verify the code using an OBD2 scanner and clear it to see if it returns.
  2. Inspect the right rear turn indicator bulb for damage or corrosion.
  3. Check the wiring harness for any signs of wear, damage, or exposed wires leading to a short circuit.
  4. Examine connectors for proper fit and ensure there is no corrosion present.
  5. Test the turn signal switch functionality to rule out internal faults.
  6. Use a multimeter to check for continuity in the circuit and identify any shorts to ground.
  7. If necessary, replace damaged components such as bulbs, wiring, or connectors.