P0322 on RAM
Ignition/Distributor Engine Speed Input Circuit No Signal
P0322 on RAM vehicles indicates ignition/distributor engine speed input circuit no signal. Au7o has documented this code across 1 RAM model — most commonly on 1500. The ECM/PCM is receiving no signal at all from the ignition/distributor engine-speed input circuit. With no RPM reference, the controller cannot properly time spark and fuel, which typically causes a no-start or stall. Usually an open circuit or completely failed pickup. Typical repair costs on RAM range from $50 to $250, depending on the specific model and root cause.
Common Causes of P0322
- •Failed crankshaft/distributor RPM pickup sensor
- •Open or broken wiring in the signal circuit
- •Disconnected or corroded connector
- •Failed ignition module
- •Severely damaged reluctor/trigger wheel
P0322 on RAM by Model
RAM 1500(1 issue)
- Magnum Camshaft/Crankshaft Position Sensor Failure — Hot Stall and No-Restart1994-2001
The 3.9/5.2/5.9 Magnum uses a camshaft position sensor inside the distributor plus a crankshaft position sensor on the bell housing. These sensors are heat-sensitive and fail intermittently — the engine stalls or dies when hot and refuses to restart until it cools, or cranks-but-won't-start with no other symptom. Corroded/loose sensor connectors cause the same behavior.
Looking for P0322 on a different make?
View P0322 across all makes →Frequently Asked Questions
What does P0322 mean on RAM?▼
P0322 stands for "Ignition/Distributor Engine Speed Input Circuit No Signal." The ECM/PCM is receiving no signal at all from the ignition/distributor engine-speed input circuit. With no RPM reference, the controller cannot properly time spark and fuel, which typically causes a no-start or stall. Usually an open circuit or completely failed pickup. On RAM specifically, this code is documented across 1 model.
What causes P0322 on RAM vehicles?▼
Common causes on RAM: Failed crankshaft/distributor RPM pickup sensor, Open or broken wiring in the signal circuit, Disconnected or corroded connector, Failed ignition module, Severely damaged reluctor/trigger wheel. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0322 on a RAM?▼
Repair costs on RAM range from $50 to $250, depending on the specific model and root cause.
Which RAM models have P0322 documented?▼
Au7o has documented P0322 on 1 RAM model: 1500.