Jeep code list
Select a code to view its technical page with a description, symptoms, possible causes and an initial recommendation.
- P1192 — Inlet Air Temperature Circuit Low
- P1193 — Inlet Air Temperature Circuit High
- P1195 — 1/1 O2 Sensor Slow During Catalyst Monitor
- P1196 — 2/1 O2 Sensor Slow During Catalyst Monitor
- P1197 — 1/2 O2 Sensor Slow During Catalyst Monitor
- P1198 — Radiator Temperature Sensor Voltage Too High
- P1199 — Radiator Temperature Sensor Voltage Too Low
- P1281 — Engine Is Cold Too Long
- P1282 — Fuel Pump Relay Control Circuit
- P1283 — Idle Select Signal Invalid
- P1284 — Fuel Injection Pump Battery Voltage Out Of Range
- P1299 — Vacuum Leak Found (IAC Fully Seated)
- P1388 — Auto Shutdown (ASD) Relay Control Circuit
- P1389 — No Auto Shutdown (ASD) Relay Output Voltage At PCM
- P1390 — Timing Belt Skipped One Tooth or More
- P1391 — Intermittent Loss of CMP or CKP
- P1398 — Misfire Adapter Numerator at Limit
- P1399 — Wait To Start Lamp Circuit
- P1403 — No 5 Volts To EGR Sensor
- P1475 — Auxiliary 5 Volt Output Too High
- P1476 — Too Little Secondary Air
- P1477 — Too Much Secondary Air
- P1478 — Battery Temperature Sensor Voltage Out of Limit
- P1479 — Transmission Fan Relay Circuit Malfunction
- P1480 — PCV Solenoid Valve Malfunction
- P1482 — Catalyst Temperature Sensor Circuit Shorted Low
- P1483 — Catalyst Temperature Sensor Circuit Shorted High
- P1484 — Catalytic Converter Overheat Detected
- P1594 — Charging System Voltage Too High
- P1595 — Speed Control Solenoid Circuits Malfunction
- P1596 — Speed Control Switch Always High
- P1597 — Speed Control Switch Always Low
- P1598 — A/C Pressure Sensor Voltage Too High
- P1599 — A/C Pressure Sensor Voltage Too Low
- P1602 — PCM Not Programmed
- P1684 — Battery Disconnected Within Last 50 Starts
- P1685 — SKIM Invalid Key
- P1899 — Park/Neutral Position Switch Stuck In Park or In Gear