Category Archives: OBDII Powertrain Codes

P1801

P1801 OBD Code Definition:
P1801 Performance Selector Switch Failure
P1801 OBD Code Description: Continue reading →

P1800

P1800 OBD Code Definition:
P1800 TCM Power Control Relay Circuit Open
P1800 OBD Code Description: Continue reading →

P1807

P1807 OBD Code Definition:
P1807 Transmission 4-wheel drive High indicator short circuit to ground
P1807 OBD Code Description: Continue reading →

P1806

P1806 OBD Code Definition:
P1806 Transmission 4-wheel drive High indicator short circuit to battery
P1806 OBD Code Description: Continue reading →

P1809

P1809 OBD Code Definition:
P1809 Transmission 4-wheel drive Low indicator Open circuit
P1809 OBD Code Description: Continue reading →

P1808

P1808 OBD Code Definition:
P1808 Transmission 4-wheel drive Low indicator circuit failure
P1808 OBD Code Description: Continue reading →

P1812

P1812 OBD Code Definition:
P1812 Transmission Over Temperature Condition
P1812 OBD Code Description: Continue reading →

P1815

P1815 OBD Code Definition:
Transmission Fluid Pressure Switch – Invalid Gear Selection
P1815 OBD Code Description: Continue reading →

P1816

P1816 OBD Code Definition:
P1816 TFP Valve Position Switch-Park/Neutral With Drive Ratio
P1816 OBD Code Description: Continue reading →

P1820

P1820 OBD Code Definition:
Transmission Range Switch, Signals ‘A’ – Voltage Low
P1820 OBD Code Description: Continue reading →

P1819

P1819 OBD Code Definition:
Transmission Range Switch, Signals ‘A/B/C &P’ – Signal Variation
P1819 OBD Code Description: Continue reading →