Acura CL Integra NSX RL RSX TL TSX 2001-2006

TroubleCodes (8 of 15)

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3.0L V6 - Std



3.0L V6 - Std

Trouble Code: P0107

Manifold Air Pressure Sensor Circuit Low Input

Trouble Code Conditions: Engine started, engine running in closed loop, and the PCM detected the MAP sensor indicated a value of 0.0" Hg during the CCM test. Note: The key on, engine off MAP sensor input should be near 2.9v.

Possible Causes:



MAP sensor 5-volt power circuit open or shorted to ground
 
MAP Sensor signal circuit is shorted to ground
 
MAP Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0108

Manifold Air Pressure Sensor Circuit High Input

Trouble Code Conditions: Engine started, engine running in closed loop at idle speed, and the PCM detected the MAP sensor indicated a value of 29.9" Hg during the CCM test. Note: The key on, engine off MAP sensor input should be near 2.9v.

Possible Causes:



MAP sensor signal circuit is open, or the ground circuit is open
 
MAP sensor signal circuit shorted to 5v VREF or system power
 
MAP sensor is damaged (due to an open circuit) or has failed
 
PCM has failed
 

Trouble Code: P0111

Intake Air Temperature Sensor Range/Performance

Trouble Code Conditions: Engine started, engine runtime over 10 minutes, and the PCM detected too large a change in the IAT sensor signal in too short a time during the CCM test.

Possible Causes:



IAT sensor ground circuit has high resistance
 
IAT sensor signal circuit has high resistance
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0112

Intake Air Temperature Sensor Circuit Low Input

Trouble Code Conditions: Key on or engine running; and the PCM detected the Intake Air Temperature (IAT) sensor signal indicated less than 0.1v (Scan Tool reads 302ºF) during the CCM test.

Possible Causes:



IAT sensor signal shorted to chassis ground
 
IAT sensor signal shorted to sensor ground circuit
 
IAT sensor has an internal failure (it is shorted) or has failed
 
PCM has failed
 

Trouble Code: P0113

Intake Air Temperature Sensor Circuit High Input

Trouble Code Conditions: Key on or engine running; and the PCM detected the Intake Air Temperature (IAT) sensor signal indicated more than 4.90v (Scan Tool reads -4ºF) during the CCM test.

Possible Causes:



IAT sensor signal shorted to VREF or system power
 
IAT sensor signal circuit is open
 
IAT sensor ground circuit is open
 
Sensor has an internal failure (it is open)
 
PCM has failed
 

Trouble Code: P0116

Engine Coolant Temperature Sensor Range/Performance

Trouble Code Conditions: DTC P0116 and P0117 not set, Engine started, and the PCM detected too much change in the ECT sensor signal in too short a period of time during the CCM Rationality test. Note: The ECT sensor should read 0.47v-0.78v at hot idle speed.

Possible Causes:



ECT sensor ground circuit is open (fault may be intermittent)
 
ECT sensor signal circuit is open (fault may be intermittent)
 
ECT sensor is damaged or has failed (fault may be intermittent)
 
PCM has failed
 

Trouble Code: P0117

Engine Coolant Temperature Sensor Circuit Low Input

Trouble Code Conditions: Key on or engine running; and the PCM detected the Engine Coolant Temperature (ECT) sensor indicated less than 0.10v (Scan Tool reads more than 302ºF) during the CCM test. Note: The ECT sensor should read 0.47v-0.78v at hot idle speed.

Possible Causes:



ECT sensor signal is shorted to chassis ground
 
ECT sensor signal is shorted to sensor ground circuit
 
ECT sensor is damaged or has failed (it is shorted internally)
 
PCM has failed
 

Trouble Code: P0118

Engine Coolant Temperature Sensor Circuit High Input

Trouble Code Conditions: Key on or engine running; and the PCM detected the Engine Coolant Temperature (ECT) sensor indicated more than 4.90v (Scan Tool reads less than -4ºF) during the CCM test. Note: The ECT sensor should read 0.47v-0.78v at hot idle speed.

Possible Causes:



ECT sensor signal circuit is open between the sensor and PCM
 
ECT sensor signal circuit is shorted to VREF or system power
 
ECT sensor signal circuit is open between sensor and the PCM
 
ECT sensor is damaged or has failed (it is open internally)
 
PCM has failed
 

Trouble Code: P0122

Throttle Position Sensor Circuit Low Input

Trouble Code Conditions: Engine started, engine running in closed loop conditions, and the PCM detected the closed throttle TP signal was less than 0.16v (Scan Tool reads less than 10% open) during the CCM test.

Possible Causes:



TP sensor signal circuit is shorted to ground
 
TP sensor VREF circuit is open
 
TP sensor VREF circuit is shorted to ground
 
TP sensor is damaged (it may be shorted internally)
 
PCM has failed
 

Trouble Code: P0123

Throttle Position Sensor Circuit High Input

Trouble Code Conditions: Engine started, and after a momentary WOT condition, the PCM detected the TP signal indicated over 4.60v (Scan Tool over 90%).

Possible Causes:



TP sensor signal circuit is shorted to VREF
 
TP sensor signal circuit is shorted to system power
 
TP sensor ground circuit is open between sensor and the PCM
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0131

HO2S-11 (Bank 1 Sensor 1) Circuit Low Input

Trouble Code Conditions: Engine running started, vehicle driven in 4th gear at cruise speed, and then back to idle speed, and the PCM detected the HO2S signal was fixed at less than 0.50v.

Possible Causes:



HO2S signal circuit is open or it is shorted to ground
 
HO2S may be contaminated or may have failed
 
Fuel supply system is too lean (fuel filter is clogged or dirty)
 
PCM has failed
 

Trouble Code: P0132

HO2S-11 (Bank 1 Sensor 1) Circuit High Input

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4 or D5 position at cruise speed, and the PCM detected the HO2S signal was fixed at more than 0.90v (the actual value is stored in the PCM memory).

Possible Causes:



HO2S signal tracking (wet/oily) in connector causing a short between the signal circuit and heater power circuit
 
HO2S signal circuit is open, or the ground circuit is open
 
HO2S heater supply circuit is open
 
PCM has failed
 

Trouble Code: P0133

HO2S-11 (Bank 1 Sensor 1) Circuit Slow Response

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at over 55 mph at steady speed, and the PCM detected the HO2S response time to switch between 300-600 mv was too slow, or that the rich to lean or lean to rich switch time was too slow.

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
O2S element fuel contamination
 
O2S element has deteriorated
 
PCM has failed
 

Trouble Code: P0135

HO2S-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

Trouble Code Conditions: Engine started, engine runtime over 80 seconds, and the PCM detected an unexpected voltage condition on the HO2S heater circuit during the CCM test.

Possible Causes:



Main relay power circuit to the heater is open (intermittent)
 
O2S heater ground circuit is open
 
O2S heater element has high resistance or an open circuit
 
O2S heater element has a shorted condition
 
PCM has failed
 

Trouble Code: P0137

HO2S-12 (Bank 1 Sensor 2) Circuit Low Input

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at cruise speed, and the PCM detected the HO2S signal was fixed at less than 0.30v. Note: The actual value where the code sets is in the PCM memory.

Possible Causes:



HO2S signal circuit is open
 
HO2S signal circuit is shorted to ground
 
HO2S ground circuit is open
 
HO2S may be contaminated or may have failed
 
PCM has failed
 

Trouble Code: P0138

HO2S-12 (Bank 1 Sensor 2) Circuit High Input

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at cruise speed, and the PCM detected the HO2S signal was fixed at more than 0.60v. Note: The actual value where the code sets is in the PCM memory.

Possible Causes:



HO2S signal tracking (wet/oily) in connector causing a short between the signal circuit and heater power circuit
 
HO2S signal circuit is shorted to system power
 
HO2S heater supply circuit is open
 
PCM has failed
 

Trouble Code: P0139

HO2S-12 (Bank 1 Sensor 2) Circuit Slow Response

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at over 55 mph at steady speed, and the PCM detected the HO2S response time to switch between 300-600 mv was too slow, or that the rich to lean or lean to rich switch time was too slow.

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
HO2S element fuel contamination
 
HO2S element has deteriorated
 
PCM has failed
 

Trouble Code: P0141

HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction

Trouble Code Conditions: Engine started, engine runtime over 80 seconds, and the PCM detected an unexpected voltage condition on the HO2S heater circuit during the CCM test.

Possible Causes:



Main relay output (power) circuit to the heater is open
 
O2S heater ground circuit is open
 
O2S heater element has high resistance or an open circuit
 
O2S heater element has a shorted condition
 
PCM has failed
 

Trouble Code: P0151

HO2S-21 (Bank 2 Sensor 1) Circuit Low Input

Trouble Code Conditions: Engine started, engine running in closed loop at cruise speed in D4/D5 position, and the PCM detected the HO2S signal was fixed at less than 0.10v during the CCM test. Note: The actual value where the code sets is in the PCM memory.

Possible Causes:



HO2S signal circuit is open
 
HO2S signal circuit is shorted to ground
 
HO2S ground circuit is open
 
HO2S may be contaminated or may have failed
 
PCM has failed
 

Trouble Code: P0152

HO2S-21 (Bank 2 Sensor 1) Circuit High Input

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at cruise speed, and the PCM detected the HO2S signal was fixed at more than 0.90v. Note: The actual value where the code sets is in the PCM memory.

Possible Causes:



HO2S signal tracking (wet/oily) in connector causing a short between the signal circuit and heater power circuit
 
HO2S signal circuit is open, or the ground circuit is open
 
HO2S heater supply circuit is open
 
PCM has failed
 

Trouble Code: P0153

HO2S-21 (Bank 2 Sensor 1) Circuit Slow Response

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at 55 mph at steady speed, and the PCM detected the HO2S response time to switch between 300-600 mv was too slow, or that the rich to lean or lean to rich switch time was too slow.

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
HO2S element fuel contamination
 
HO2S element has deteriorated
 
PCM has failed
 

Trouble Code: P0155

HO2S-21 (Bank 2 Sensor 1) Heater Circuit Malfunction

Trouble Code Conditions: Engine started, engine runtime over 80 seconds, and the PCM detected an unexpected voltage condition on the HO2S heater circuit during the CCM test.

Possible Causes:



Main relay output (power) circuit to the heater is open
 
O2S heater ground circuit is open
 
O2S heater element has high resistance or an open circuit
 
O2S heater element has a shorted condition
 
PCM has failed
 

Trouble Code: P0157

HO2S-22 (Bank 2 Sensor 2) Circuit Low Input

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at cruise speed, and the PCM detected the HO2S signal was fixed at less than 0.30v (actual value where the code sets is in its memory).

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S ground circuit is open
 
HO2S may be contaminated or may have failed
 
PCM has failed
 

Trouble Code: P0158

HO2S-22 (Bank 2 Sensor 2) Circuit High Input

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at cruise speed, and the PCM detected the HO2S signal was fixed at more than 0.60v Note: The actual value where the code sets is in the PCM memory.

Possible Causes:



HO2S signal tracking (wet/oily) in connector causing a short between the signal circuit and heater power circuit
 
HO2S signal circuit is open, or the ground circuit is open
 
HO2S heater supply circuit is open
 
PCM has failed
 

Trouble Code: P0159

HO2S-22 (Bank 2 Sensor 2) Circuit Slow Response

Trouble Code Conditions: Engine started, vehicle driven in closed loop in D4/D5 position at over 55 mph at steady speed, and the PCM detected the HO2S response time to switch between 300-600 mv was too slow, or that the rich to lean or lean to rich switch time was too slow.

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
HO2S element fuel contamination
 
HO2S element has deteriorated
 
PCM has failed
 

Trouble Code: P0161

HO2S-22 (Bank 2 Sensor 2) Heater Circuit Malfunction

Trouble Code Conditions: Engine started, engine runtime over 80 seconds, and the PCM detected an unexpected voltage condition on the HO2S heater circuit during the CCM test.

Possible Causes:



Main relay output (power) circuit to the heater is open
 
HO2S heater ground circuit is open
 
HO2S heater element has high resistance or an open circuit
 
HO2S heater element has a shorted condition
 
PCM has failed
 

Trouble Code: P0171

Fuel System Too Lean (Bank 1)

Trouble Code Conditions: DTC P0107, P0108, P0135, P0137, P0138, P0141, P0151, P0152 and P0155 not set, engine running in closed loop, and the PCM detected the LONGFT value exceeded the calibrated lean limit value.

Possible Causes:



Air leaks in intake manifold, exhaust pipes or exhaust manifold
 
One or more injectors restricted or pressure regulator has failed
 
Air is being drawn in from leaks in gaskets or other seals
 
O2S element is deteriorated or has failed
 
A "fuel control" sensor is out of calibration (ECT, IAT or MAP)
 
PCM has failed
 

Trouble Code: P0172

Fuel System Too Rich (Bank 1)

Trouble Code Conditions: DTC P0107, P0108, P0135, P0137, P0138, P0141, P0151, P0152 and P0155 not set, engine running in closed loop, and the PCM detected the LONGFT value exceeded the calibrated rich limit. Note: A high MAP sensor signal at idle can cause this code to set.

Possible Causes:



Base engine fault (i.e., cam timing incorrect, oil level too high)
 
Engine oil overfill condition
 
EVAP vapor recovery system has failed (pulling vacuum)
 
HO2S element may be contaminated with water or alcohol
 
Leaking/contaminated fuel injector(s) or fuel pressure regulator
 
Partial engine misfire condition is present
 

Trouble Code: P0174

Fuel System Too Lean (Bank 2)

Trouble Code Conditions: DTC P0107, P0108, P0135, P0137, P0138, P0141, P1128, P1129 and P1259 not set, engine running in closed loop, and the PCM detected the LONGFT value exceeded a calibrated lean limit value.

Possible Causes:



Air leaks in intake manifold, exhaust pipes or exhaust manifold
 
One or more injectors restricted or pressure regulator has failed
 
Air is being drawn in from leaks in gaskets or other seals
 
O2S element is deteriorated or has failed
 
A "fuel control" sensor is out of calibration (ECT, IAT or MAP)
 

Trouble Code: P0175

Fuel System Too Rich (Bank 2)

Trouble Code Conditions: DTC P0107, P0108, P0135, P0137, P0138, P0141, P1128, P1129 and P1259 not set, engine running in closed loop, and the PCM detected the LONGFT value exceeded the calibrated rich limit. Note: A high MAP sensor signal at idle can cause this code to set.

Possible Causes:



Base engine fault (i.e., cam timing incorrect, oil level too high)
 
EVAP vapor recovery system has failed (pulling vacuum)
 
HO2S element may be contaminated with water or alcohol
 
Leaking/contaminated fuel injector(s) or fuel pressure regulator
 

Trouble Code: P0300

Multiple Misfire Detected

Trouble Code Conditions: DTC P0107, P0108, P0131, P0132, P0171, P0172, P1128, P0335, P0336, P0505, P1128, P1129, P1259, P1361, P1362, P1366, P1367 and P1519 not set, engine running under positive torque conditions, and the PCM detected a misfire in 2 or more cylinders. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine mechanical fault affecting more than one cylinder
 
CKP or CMP sensor problem affecting more than one cylinder
 
Fuel system problem affecting more than one cylinder
 
Ignition system problem affecting more than one cylinder
 

Trouble Code: P0301

Cylinder 1 Misfire Detected

Trouble Code Conditions: DTC P0107, P0108, P0131, P0132, P0171, P0172, P1128, P0335, P0336, P0505, P1128, P1129, P1259, P1361, P1362, P1366, P1367 and P1519 not set, engine running under positive torque conditions, and the PCM detected a misfire condition in one cylinder. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine (mechanical) problem affecting only one cylinder
 
Fuel system problem affecting only one cylinder
 
Ignition problem (i.e., coil or spark plug) affecting one cylinder
 

Trouble Code: P0302

Cylinder 2 Misfire Detected

Trouble Code Conditions: DTC P0107, P0108, P0131, P0132, P0171, P0172, P1128, P0335, P0336, P0505, P1128, P1129, P1259, P1361, P1362, P1366, P1367 and P1519 not set, engine running under positive torque conditions, and the PCM detected a misfire condition in one cylinder. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine (mechanical) problem affecting only one cylinder
 
Fuel system problem affecting only one cylinder
 
Ignition problem (i.e., coil or spark plug) affecting one cylinder
 

Trouble Code: P0303

Cylinder 3 Misfire Detected

Trouble Code Conditions: DTC P0107, P0108, P0131, P0132, P0171, P0172, P1128, P0335, P0336, P0505, P1128, P1129, P1259, P1361, P1362, P1366, P1367 and P1519 not set, engine running under positive torque conditions, and the PCM detected a misfire condition in one cylinder. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine (mechanical) problem affecting only one cylinder
 
Fuel system problem affecting only one cylinder
 
Ignition problem (i.e., coil or spark plug) affecting one cylinder
 

Trouble Code: P0304

Cylinder 4 Misfire Detected

Trouble Code Conditions: DTC P0107, P0108, P0131, P0132, P0171, P0172, P1128, P0335, P0336, P0505, P1128, P1129, P1259, P1361, P1362, P1366, P1367 and P1519 not set, engine running under positive torque conditions, and the PCM detected a misfire condition in one cylinder. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine (mechanical) problem affecting only one cylinder
 
Fuel system problem affecting only one cylinder
 
Ignition problem (i.e., coil or spark plug) affecting one cylinder
 

Trouble Code: P0305

Cylinder 5 Misfire Detected

Trouble Code Conditions: DTC P0101, P0102, P0103, P0171, P0172, P0401, P1102, P1103, P1361, P1362, P1381, P1382, P1491, P1498 and P1508 not set, engine running under positive torque conditions, and the PCM detected a misfire in 2 or more cylinders. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine (mechanical) problem affecting only one cylinder
 
Fuel system problem affecting only one cylinder
 
Ignition problem (i.e., coil or spark plug) affecting one cylinder
 

Trouble Code: P0306

Cylinder 6 Misfire Detected

Trouble Code Conditions: DTC P0101, P0102, P0103, P0171, P0172, P0401, P1102, P1103, P1361, P1362, P1381, P1382, P1491, P1498 and P1508 not set, engine running under positive torque conditions, and the PCM detected a misfire in 2 or more cylinders. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine (mechanical) problem affecting only one cylinder
 
Fuel system problem affecting only one cylinder
 
Ignition problem (i.e., coil or spark plug) affecting one cylinder
 

Trouble Code: P0325

Knock Sensor 1 Circuit Malfunction

Trouble Code Conditions: Engine started, engine running for 1 minute, and the PCM detected an unexpected voltage condition on the Bank 1 Knock sensor circuit.

Possible Causes:



Knock sensor signal circuit is open (rear bank of engine)
 
Knock sensor signal circuit is grounded (rear bank of engine)
 
Knock sensor not tightened properly
 
Knock sensor damaged or has failed (it may be open internally)
 
PCM has failed
 

Trouble Code: P0330

Knock Sensor 2 Circuit Malfunction

Trouble Code Conditions: Engine started, engine running for 1 minute, and the PCM detected an unexpected voltage condition on the Bank2 Knock Sensor circuit.

Possible Causes:



Knock sensor signal circuit is open (front bank of engine)
 
Knock sensor signal circuit is grounded (front bank of engine)
 
Knock sensor not tightened properly
 
Knock sensor damaged or has failed (it may be open internally)
 
PCM has failed
 

 
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