504 Generic diagnostic codes on file. Each shows the symptom for free — unlock the full diagnosis, repair steps, and field insights with a free account.
| Code | System | Symptom | Fix |
|---|---|---|---|
| B0001 | Safety Restraints (SRS) | Airbag Light On Continuous | Unlock |
| B0001-13 | SRS / Airbag | Airbag Warning Light (SRS) Solid | Unlock |
| B0028 | Safety Restraints (SRS) | Airbag Lamp Flash Code 23 | Unlock |
| B0028-1B | SRS / Airbag | SRS Light Solid / Chime Active | Unlock |
| B00A0 | Occupant Detect | Passenger Airbag Indicator Disabled | Unlock |
| B00A0 | Safety Restraints (SRS) | Airbag Warning / Seat Weight Fault | Unlock |
| B2000 | Safety / Module | Check Airbag / Seatbelt Alarm Active | Unlock |
| C0040 | Braking | ABS Warning Light / No Traction | Unlock |
| P0016 | Timing / Correlation | Extended Crank / Sluggish Response | Unlock |
| P0089 | Fuel System | Engine Shakes at Idle / Fuel Cut | Unlock |
| P00B7 | Cooling | MIL On / Fan High Speed | Unlock |
| P0100 | Air Intake | Engine Stumbles / MIL On | Unlock |
| P0101 | Air Intake | Black Smoke / Sluggish Response | Unlock |
| P0102 | Air Intake | Rich Run / Idle Drop | Unlock |
| P0103 | Air Intake | Lean Surging / Engine Ping | Unlock |
| P0104 | Air Intake | Intermittent Misfire / Jerking | Unlock |
| P0105 | Air Intake | Hard Start / Heavy Exhaust Odor | Unlock |
| P0106 | Air Intake | Backfire / Poor Acceleration | Unlock |
| P0107 | Air Intake | Black Exhaust Smoke / Low Idle | Unlock |
| P0108 | Air Intake | Severe Misfire / Stalling | Unlock |
| P0109 | Air Intake | Intermittent Stumble under Load | Unlock |
| P0110 | Air Intake | MIL On / Slightly Rich Mix | Unlock |
| P0111 | Air Intake | Cold Start Hesitation | Unlock |
| P0112 | Air Intake | Hard Starting when Cold | Unlock |
| P0113 | Air Intake | Black Smoke on Startup | Unlock |
| P0113 | Air Intake | High Fuel Consumption | Unlock |
| P0114 | Air Intake | Erratic Driving / Sudden Stumbles | Unlock |
| P0115 | Cooling | Engine Fan Runs Nonstop | Unlock |
| P0116 | Cooling | Hard Cranking / No Closed Loop | Unlock |
| P0117 | Cooling | Rich Mix / Stumbling Idle | Unlock |
| P0118 | Cooling | Hard Cold Start / Black Smoke | Unlock |
| P0119 | Cooling | Temperature Gauge Bouncing | Unlock |
| P0120 | Air Intake | Limp Mode / Stiff Throttle Pedal | Unlock |
| P0121 | Air Intake | Stumble on Acceleration / Surge | Unlock |
| P0122 | Air Intake | Low Idle / Dead Pedal Response | Unlock |
| P0123 | Air Intake | Engine RPM High / Sudden Acceleration | Unlock |
| P0124 | Air Intake | Bucking / Jerking During Cruise | Unlock |
| P0125 | Cooling | Poor Fuel Economy / Cold Cabin | Unlock |
| P0126 | Cooling | MIL On / Reduced Engine Output | Unlock |
| P0128 | Cooling | Slow Cabin Heat / MIL On | Unlock |
| P0130 | Emissions | Fuel Trim Stuck / High Consumption | Unlock |
| P0131 | Emissions | Lean Engine Surging / Power Loss | Unlock |
| P0132 | Emissions | Black Exhaust Smoke / Misfires | Unlock |
| P0133 | Emissions | Slow Fuel Trim Adjustments | Unlock |
| P0134 | Emissions | Open Loop Operation Only | Unlock |
| P0135 | Emissions | Long Warm-up Delay / MIL On | Unlock |
| P0136 | Emissions | Check Engine Light / Tailpipe Odor | Unlock |
| P0137 | Emissions | MIL On Only | Unlock |
| P0138 | Emissions | Rich Operation Fault Code | Unlock |
| P0139 | Emissions | Delayed Catalyst Monitoring Fault | Unlock |
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