Hex Code
Generic
Scan Tool
Code
DRB Scan Tool Display Description of Diagnostic Trouble Code
52 P1683
SPD CTRL PWR RLY; or S/C
12v Driver CKT
Malfunction detected with power feed to speed
control servo solenoids.
56 P1596
Speed Control Switch Always
High
Speed control switch input above the maximum
acceptable voltage.
57 P1597
Speed Control Switch Always
Low
Speed control switch input below the minimum
acceptable voltage.
58 P1289
Manifold Tune Valve Solenoid
Circuit
An open or shorted condition detected in the MTV
solenoid control circuit.
5A P1598
A/C Pressure Sensor Volts
Too High
Sensor input voltage is above 4.9 volts.
5B P1599
A/C Pressure Sensor Volts
Too Low
Sensor input voltage is below.098 volts.
5C P1490
Low Speed Fan CTRL Relay
Circuit
An open or shorted condition detected in the
control circuit of the low speed radiator fan relay.
5D P1489 Hi Speed Fan Relay Circuit
An open or shorted condition detected in the
control circuit of the high speed radiator fan relay.
60** P1698 No PCI Messages From TCM
No messages received from Transmission Control
Module.
61 P1695
No PCI Message From Body
Control Module
No messages received from Body Control
Module.
65 P1282
Fuel Pump Relay Control
Circuit
An open or shorted condition detected in the fuel
pump relay control circuit.
67 P0135 1/1 O2S Heater Failure
Upstream oxygen sensor heating element circuit
malfunction.
69 P0141 1/2 O2S Heater Failure
Oxygen sensor heating element circuit
malfunction.
72 P1899
P/N Switch Stuck in Park or
in Gear
Incorrect input state detected for the Park/Neutral
switch, auto. trans. only.
73 P0551 Pwr steering sw perf
Incorrect input state detected for the power
steering switch circuit.
76 P0172 1/1 Fuel System Lean
A rich air/fuel mixture has been indicated by an
abnormally lean correction factor.
77 P0171 1/1 Fuel System Rich
A lean air/fuel mixture has been indicated by an
abnormally rich correction factor.
78 P0175 2/1 Fuel System Rich
A rich air/fuel mixture has been indicated by an
abnormally lean correction factor.
79 P0174 2/1 Fuel System Lean
A lean air/fuel mixture has been indicated by an
abnormally rich correction factor.
7C P0155 2/1 O2S Heater Failure Oxygen sensor heater element malfunction.
7D P0161 2/2 O2S Heater Failure Oxygen sensor heater element malfunction.
7E P0138 1/2 O2S Shorted to Voltage
Oxygen sensor input voltage maintained above
the normal operating range.
7F P0158 2/2 O2S Shorted to Voltage
Oxygen sensor input voltage maintained above
the normal operating range.
81 P0140 1/2 O2S Stays at Center
Neither rich or lean condition detected from the
downstream oxygen sensor.
LH EMISSION CONTROL SYSTEMS 25 - 5
DESCRIPTION AND OPERATION (Continued)
2000 LHS, 300M, CONCORDE AND INTREPID
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